diff --git a/CleanSpec.mk b/CleanSpec.mk
index b2c5266..f58158f 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -52,6 +52,7 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Launcher2.apk)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/Launcher2_intermediates)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/Launcher2.apk)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/priv-app/Launcher3QuickStep)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
diff --git a/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java b/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
index bcdbce5..d0db157 100644
--- a/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
+++ b/iconloaderlib/src/com/android/launcher3/icons/cache/IconCacheUpdateHandler.java
@@ -171,8 +171,7 @@
                 long updateTime = c.getLong(indexLastUpdate);
                 int version = c.getInt(indexVersion);
                 T app = componentMap.remove(component);
-                if (version == info.versionCode
-                        && updateTime == cachingLogic.getLastUpdatedTime(app, info)
+                if (version == info.versionCode && updateTime == info.lastUpdateTime
                         && TextUtils.equals(c.getString(systemStateIndex),
                                 mIconCache.getIconSystemState(info.packageName))) {
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index 6aaae4c..eaaf0b4 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -47,6 +47,7 @@
 import com.android.launcher3.util.TouchController;
 import com.android.launcher3.util.UiThreadHelper;
 import com.android.launcher3.util.UiThreadHelper.AsyncCommand;
+import com.android.quickstep.RecentsModel;
 import com.android.quickstep.SysUINavigationMode;
 import com.android.quickstep.SysUINavigationMode.Mode;
 import com.android.quickstep.SystemUiProxy;
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
index c19754f..8149e64 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/inputconsumers/OverviewInputConsumer.java
@@ -117,4 +117,5 @@
             mActivity.dispatchKeyEvent(ev);
         }
     }
-}
\ No newline at end of file
+}
+
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index b602cea..3268783 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -17,7 +17,6 @@
 package com.android.quickstep.views;
 
 import static androidx.dynamicanimation.animation.DynamicAnimation.MIN_VISIBLE_CHANGE_PIXELS;
-
 import static com.android.launcher3.BaseActivity.STATE_HANDLER_INVISIBILITY_FLAGS;
 import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_PARAMS;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
diff --git a/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java b/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
index 96ac489..0d5d832 100644
--- a/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
+++ b/quickstep/src/com/android/launcher3/LauncherAnimationRunner.java
@@ -147,4 +147,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java b/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java
new file mode 100644
index 0000000..d8aa235
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/uioverrides/DejankBinderTracker.java
@@ -0,0 +1,159 @@
+/**
+ * Copyright (C) 2019 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.
+ */
+
+package com.android.launcher3.uioverrides;
+
+import static android.os.IBinder.FLAG_ONEWAY;
+
+import android.os.Binder;
+import android.os.Build;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.RemoteException;
+import android.util.Log;
+
+import androidx.annotation.MainThread;
+
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
+/**
+ * A binder proxy transaction listener for tracking non-whitelisted binder calls.
+ */
+public class DejankBinderTracker implements Binder.ProxyTransactListener {
+    private static final String TAG = "DejankBinderTracker";
+
+    private static final Object sLock = new Object();
+    private static final HashSet<String> sWhitelistedFrameworkClasses = new HashSet<>();
+    static {
+        // Common IPCs that are ok to block the main thread.
+        sWhitelistedFrameworkClasses.add("android.view.IWindowSession");
+        sWhitelistedFrameworkClasses.add("android.os.IPowerManager");
+    }
+    private static boolean sTemporarilyIgnoreTracking = false;
+
+    // Used by the client to limit binder tracking to specific regions
+    private static boolean sTrackingAllowed = false;
+
+    private BiConsumer<String, Integer> mUnexpectedTransactionCallback;
+    private boolean mIsTracking = false;
+
+    /**
+     * Temporarily ignore blocking binder calls for the duration of this {@link Runnable}.
+     */
+    @MainThread
+    public static void whitelistIpcs(Runnable runnable) {
+        sTemporarilyIgnoreTracking = true;
+        runnable.run();
+        sTemporarilyIgnoreTracking = false;
+    }
+
+    /**
+     * Temporarily ignore blocking binder calls for the duration of this {@link Supplier}.
+     */
+    @MainThread
+    public static <T> T whitelistIpcs(Supplier<T> supplier) {
+        sTemporarilyIgnoreTracking = true;
+        T value = supplier.get();
+        sTemporarilyIgnoreTracking = false;
+        return value;
+    }
+
+    /**
+     * Enables binder tracking during a test.
+     */
+    @MainThread
+    public static void allowBinderTrackingInTests() {
+        sTrackingAllowed = true;
+    }
+
+    /**
+     * Disables binder tracking during a test.
+     */
+    @MainThread
+    public static void disallowBinderTrackingInTests() {
+        sTrackingAllowed = false;
+    }
+
+    public DejankBinderTracker(BiConsumer<String, Integer> unexpectedTransactionCallback) {
+        mUnexpectedTransactionCallback = unexpectedTransactionCallback;
+    }
+
+    @MainThread
+    public void startTracking() {
+        if (!Build.TYPE.toLowerCase(Locale.ROOT).contains("debug")
+                && !Build.TYPE.toLowerCase(Locale.ROOT).equals("eng")) {
+            Log.wtf(TAG, "Unexpected use of binder tracker in non-debug build", new Exception());
+            return;
+        }
+        if (mIsTracking) {
+            return;
+        }
+        mIsTracking = true;
+        Binder.setProxyTransactListener(this);
+    }
+
+    @MainThread
+    public void stopTracking() {
+        if (!mIsTracking) {
+            return;
+        }
+        mIsTracking = false;
+        Binder.setProxyTransactListener(null);
+    }
+
+    // Override the hidden Binder#onTransactStarted method
+    public synchronized Object onTransactStarted(IBinder binder, int transactionCode, int flags) {
+        if (!mIsTracking
+                || !sTrackingAllowed
+                || sTemporarilyIgnoreTracking
+                || (flags & FLAG_ONEWAY) == FLAG_ONEWAY
+                || !isMainThread()) {
+            return null;
+        }
+
+        String descriptor;
+        try {
+            descriptor = binder.getInterfaceDescriptor();
+            if (sWhitelistedFrameworkClasses.contains(descriptor)) {
+                return null;
+            }
+        } catch (RemoteException e) {
+            e.printStackTrace();
+            descriptor = binder.getClass().getSimpleName();
+        }
+
+        mUnexpectedTransactionCallback.accept(descriptor, transactionCode);
+        return null;
+    }
+
+    @Override
+    public Object onTransactStarted(IBinder binder, int transactionCode) {
+        // Do nothing
+        return null;
+    }
+
+    @Override
+    public void onTransactEnded(Object session) {
+        // Do nothing
+    }
+
+    public static boolean isMainThread() {
+        return Thread.currentThread() == Looper.getMainLooper().getThread();
+    }
+}
diff --git a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
index 891bf24..d60fa1e 100644
--- a/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
+++ b/quickstep/tests/src/com/android/quickstep/StartLauncherViaGestureTests.java
@@ -103,4 +103,4 @@
             mLauncher.getBackground().switchToOverview();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index ccf98ae..366be1d 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1027,4 +1027,4 @@
         }
         return tasks;
     }
-}
\ No newline at end of file
+}