diff --git a/Android.bp b/Android.bp
index b20b307..a720658 100644
--- a/Android.bp
+++ b/Android.bp
@@ -36,17 +36,37 @@
     name: "launcher_log_protos_lite",
     srcs: [
         "protos/*.proto",
+        "protos_overrides/*.proto",
     ],
     sdk_version: "current",
     proto: {
         type: "lite",
         local_include_dirs:[
             "protos",
+            "protos_overrides",
         ],
     },
     static_libs: ["libprotobuf-java-lite"],
 }
 
+java_library_static {
+    name: "launcher_quickstep_log_protos_lite",
+    srcs: [
+        "quickstep/protos_overrides/*.proto",
+    ],
+    sdk_version: "current",
+    proto: {
+        type: "lite",
+        local_include_dirs:[
+            "quickstep/protos_overrides",
+        ],
+    },
+    static_libs: [
+      "libprotobuf-java-lite",
+      "launcher_log_protos_lite"
+      ],
+}
+
 java_library {
     name: "LauncherPluginLib",
 
diff --git a/Android.mk b/Android.mk
index ed42039..19ad328 100644
--- a/Android.mk
+++ b/Android.mk
@@ -33,7 +33,7 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     LauncherPluginLib \
-    launcher_log_protos_lite \
+    launcher_quickstep_log_protos_lite \
     search_ui
 
 LOCAL_SRC_FILES := \
@@ -65,7 +65,7 @@
     $(call all-java-files-under, src_shortcuts_overrides) \
     $(call all-java-files-under, src_ui_overrides) \
     $(call all-java-files-under, ext_tests/src)
-    
+
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/ext_tests/res
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
@@ -129,8 +129,7 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     SystemUI-statsd \
-    SystemUISharedLib \
-    launcher_log_protos_lite
+    SystemUISharedLib
 ifneq (,$(wildcard frameworks/base))
   LOCAL_PRIVATE_PLATFORM_APIS := true
 else
@@ -196,8 +195,7 @@
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     SystemUI-statsd \
-    SystemUISharedLib \
-    launcher_log_protos_lite
+    SystemUISharedLib
 ifneq (,$(wildcard frameworks/base))
   LOCAL_PRIVATE_PLATFORM_APIS := true
 else
diff --git a/build.gradle b/build.gradle
index 28a05d5..a7eef13 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,7 +81,7 @@
             java.srcDirs = ['src', 'src_plugins']
             manifest.srcFile 'AndroidManifest-common.xml'
             proto {
-                srcDir 'protos/'
+                srcDirs = ['protos/', 'protos_overrides/']
             }
         }
 
@@ -181,4 +181,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/protos/launcher_atom.proto b/protos/launcher_atom.proto
index cd229ae..b4c6138 100644
--- a/protos/launcher_atom.proto
+++ b/protos/launcher_atom.proto
@@ -18,6 +18,8 @@
 option java_package = "com.android.launcher3.logger";
 option java_outer_classname = "LauncherAtom";
 
+import "launcher_atom_extension.proto";
+
 //
 // ItemInfos
 message ItemInfo {
@@ -55,6 +57,7 @@
     SettingsContainer settings_container = 9;
     PredictedHotseatContainer predicted_hotseat_container = 10;
     TaskSwitcherContainer task_switcher_container = 11;
+    ExtendedContainers extended_containers = 20;
   }
 }
 
diff --git a/protos_overrides/launcher_atom_extension.proto b/protos_overrides/launcher_atom_extension.proto
new file mode 100644
index 0000000..a07daf8
--- /dev/null
+++ b/protos_overrides/launcher_atom_extension.proto
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+syntax = "proto2";
+
+option java_package = "com.android.launcher3.logger";
+option java_outer_classname = "LauncherAtomExtensions";
+
+
+// This proto file contains placeholder messages that can be overridden by
+// other Launcher variants.
+// Variants could have its own launcher_atom_extension.proto file(should have
+// same messages declared here but with different implementation); when building
+// variant's apk launcher_atom.proto will reference variant's extension file,
+// essentially overriding this file.
+
+
+// Wrapper message for additional containers used in variants.
+message ExtendedContainers {}
diff --git a/quickstep/protos_overrides/launcher_atom_extension.proto b/quickstep/protos_overrides/launcher_atom_extension.proto
new file mode 100644
index 0000000..2766acf
--- /dev/null
+++ b/quickstep/protos_overrides/launcher_atom_extension.proto
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+syntax = "proto2";
+
+option java_package = "com.android.launcher3.logger";
+option java_outer_classname = "LauncherAtomExtensions";
+
+
+// Wrapper message for containers used at the quickstep level.
+// Message name should match with launcher_atom_extension.proto message at
+// the AOSP level.
+message ExtendedContainers {
+
+  oneof Container{
+    DeviceSearchResultContainer device_search_result_container = 1;
+  }
+}
+
+// Represents on-device search result container.
+message DeviceSearchResultContainer{
+}
diff --git a/quickstep/src/com/android/launcher3/search/SearchResultIcon.java b/quickstep/src/com/android/launcher3/search/SearchResultIcon.java
index c353d7a..521174b 100644
--- a/quickstep/src/com/android/launcher3/search/SearchResultIcon.java
+++ b/quickstep/src/com/android/launcher3/search/SearchResultIcon.java
@@ -49,6 +49,9 @@
 import com.android.launcher3.icons.BitmapInfo;
 import com.android.launcher3.icons.BitmapRenderer;
 import com.android.launcher3.icons.LauncherIcons;
+import com.android.launcher3.logger.LauncherAtom.ContainerInfo;
+import com.android.launcher3.logger.LauncherAtomExtensions.DeviceSearchResultContainer;
+import com.android.launcher3.logger.LauncherAtomExtensions.ExtendedContainers;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.PackageItemInfo;
@@ -142,8 +145,14 @@
 
         SearchActionItemInfo itemInfo = new SearchActionItemInfo(searchAction.getIcon(),
                 searchTarget.getPackageName(), searchTarget.getUserHandle(),
-                searchAction.getTitle()
-        );
+                searchAction.getTitle()) {
+            // Workaround to log ItemInfo with DeviceSearchResultContainer without
+            // updating ItemInfo.container field.
+            @Override
+            protected ContainerInfo getContainerInfo() {
+                return buildDeviceSearchResultContainer();
+            }
+        };
         itemInfo.setIntent(searchAction.getIntent());
         itemInfo.setPendingIntent(searchAction.getPendingIntent());
 
@@ -243,7 +252,15 @@
 
     private void prepareUsingApp(ComponentName componentName, UserHandle userHandle) {
         AllAppsStore appsStore = mLauncher.getAppsView().getAppsStore();
-        AppInfo appInfo = appsStore.getApp(new ComponentKey(componentName, userHandle));
+        AppInfo appInfo = new AppInfo(
+                appsStore.getApp(new ComponentKey(componentName, userHandle))) {
+            // Workaround to log ItemInfo with DeviceSearchResultContainer without
+            // updating ItemInfo.container field.
+            @Override
+            protected ContainerInfo getContainerInfo() {
+                return buildDeviceSearchResultContainer();
+            }
+        };
 
         if (appInfo == null) {
             setVisibility(GONE);
@@ -253,9 +270,15 @@
         notifyItemInfoChanged(appInfo);
     }
 
-
     private void prepareUsingShortcutInfo(ShortcutInfo shortcutInfo) {
-        WorkspaceItemInfo workspaceItemInfo = new WorkspaceItemInfo(shortcutInfo, getContext());
+        WorkspaceItemInfo workspaceItemInfo = new WorkspaceItemInfo(shortcutInfo, getContext()) {
+            // Workaround to log ItemInfo with DeviceSearchResultContainer without
+            // updating ItemInfo.container field.
+            @Override
+            protected ContainerInfo getContainerInfo() {
+                return buildDeviceSearchResultContainer();
+            }
+        };
         notifyItemInfoChanged(workspaceItemInfo);
         LauncherAppState launcherAppState = LauncherAppState.getInstance(getContext());
         MODEL_EXECUTOR.execute(() -> {
@@ -293,4 +316,14 @@
             mOnItemInfoChanged = null;
         }
     }
+
+    private static ContainerInfo buildDeviceSearchResultContainer() {
+        return ContainerInfo.newBuilder().setExtendedContainers(
+                ExtendedContainers
+                        .newBuilder()
+                        .setDeviceSearchResultContainer(
+                                DeviceSearchResultContainer
+                                        .newBuilder()))
+                .build();
+    }
 }
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index d949126..d22496d 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -16,6 +16,7 @@
 
 package com.android.quickstep.logging;
 
+import static com.android.launcher3.logger.LauncherAtom.ContainerInfo.ContainerCase.EXTENDED_CONTAINERS;
 import static com.android.launcher3.logger.LauncherAtom.ContainerInfo.ContainerCase.FOLDER;
 import static com.android.launcher3.logger.LauncherAtom.ContainerInfo.ContainerCase.SEARCH_RESULT_CONTAINER;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_WORKSPACE_SNAPSHOT;
@@ -72,6 +73,7 @@
     private static final int DEFAULT_PAGE_INDEX = -2;
     private static final int FOLDER_HIERARCHY_OFFSET = 100;
     private static final int SEARCH_RESULT_HIERARCHY_OFFSET = 200;
+    private static final int EXTENDED_CONTAINERS_HIERARCHY_OFFSET = 300;
 
     public static final CopyOnWriteArrayList<StatsLogConsumer> LOGS_CONSUMER =
             new CopyOnWriteArrayList<>();
@@ -397,6 +399,9 @@
         } else if (info.getContainerInfo().getContainerCase() == SEARCH_RESULT_CONTAINER) {
             return info.getContainerInfo().getSearchResultContainer().getParentContainerCase()
                     .getNumber() + SEARCH_RESULT_HIERARCHY_OFFSET;
+        } else if (info.getContainerInfo().getContainerCase() == EXTENDED_CONTAINERS) {
+            return info.getContainerInfo().getExtendedContainers().getContainerCase().getNumber()
+                    + EXTENDED_CONTAINERS_HIERARCHY_OFFSET;
         } else {
             return info.getContainerInfo().getContainerCase().getNumber();
         }
diff --git a/src/com/android/launcher3/model/data/ItemInfo.java b/src/com/android/launcher3/model/data/ItemInfo.java
index b11b419..2fc9023 100644
--- a/src/com/android/launcher3/model/data/ItemInfo.java
+++ b/src/com/android/launcher3/model/data/ItemInfo.java
@@ -225,7 +225,7 @@
     protected String dumpProperties() {
         return "id=" + id
                 + " type=" + LauncherSettings.Favorites.itemTypeToString(itemType)
-                + " container=" + LauncherSettings.Favorites.containerToString(container)
+                + " container=" + getContainerInfo()
                 + " targetComponent=" + getTargetComponent()
                 + " screen=" + screenId
                 + " cell(" + cellX + "," + cellY + ")"