diff --git a/Android.mk b/Android.mk
index dbafcbc..ab445ac 100644
--- a/Android.mk
+++ b/Android.mk
@@ -173,7 +173,57 @@
 
 include $(BUILD_PACKAGE)
 
+#
+# Build rule for Launcher3 Go app with quickstep for Android Go devices.
+#
+include $(CLEAR_VARS)
 
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    android-support-v4 \
+    android-support-v7-recyclerview \
+    android-support-dynamic-animation \
+    libSharedSystemUI
+
+LOCAL_SRC_FILES := \
+    $(call all-java-files-under, src) \
+    $(call all-java-files-under, quickstep/src) \
+    $(call all-java-files-under, go/src_flags) \
+    $(call all-proto-files-under, protos) \
+    $(call all-proto-files-under, proto_overrides)
+
+LOCAL_RESOURCE_DIR := \
+    $(LOCAL_PATH)/quickstep/res \
+    $(LOCAL_PATH)/go/res \
+    $(LOCAL_PATH)/res \
+    prebuilts/sdk/current/support/v7/recyclerview/res \
+
+LOCAL_PROGUARD_ENABLED := disabled
+
+LOCAL_PROTOC_OPTIMIZE_TYPE := nano
+LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/ --proto_path=$(LOCAL_PATH)/proto_overrides/
+LOCAL_PROTO_JAVA_OUTPUT_PARAMS := enum_style=java
+
+LOCAL_AAPT_FLAGS := \
+    --auto-add-overlay \
+    --extra-packages android.support.v7.recyclerview \
+
+LOCAL_SDK_VERSION := system_current
+LOCAL_MIN_SDK_VERSION := 26
+LOCAL_PACKAGE_NAME := Launcher3QuickStepGo
+LOCAL_PRIVILEGED_MODULE := true
+LOCAL_OVERRIDES_PACKAGES := Home Launcher2 Launcher3
+
+LOCAL_FULL_LIBS_MANIFEST_FILES := \
+    $(LOCAL_PATH)/go/AndroidManifest.xml \
+    $(LOCAL_PATH)/AndroidManifest.xml \
+    $(LOCAL_PATH)/AndroidManifest-common.xml
+
+LOCAL_MANIFEST_FILE := quickstep/AndroidManifest.xml
+LOCAL_JACK_COVERAGE_INCLUDE_FILTER := com.android.launcher3.*
+
+include $(BUILD_PACKAGE)
 
 
 # ==================================================
diff --git a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
index cc24f1d..a654482 100644
--- a/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
+++ b/quickstep/src/com/android/quickstep/util/ClipAnimationHelper.java
@@ -227,12 +227,16 @@
         dl.getDescendantRectRelativeToSelf(ttv, targetRect.rect);
         updateTargetRect(targetRect);
 
-        // Transform the clip relative to the target rect.
-        float scale = mTargetRect.width() / mSourceRect.width();
-        mSourceWindowClipInsets.left = mSourceWindowClipInsets.left * scale;
-        mSourceWindowClipInsets.top = mSourceWindowClipInsets.top * scale;
-        mSourceWindowClipInsets.right = mSourceWindowClipInsets.right * scale;
-        mSourceWindowClipInsets.bottom = mSourceWindowClipInsets.bottom * scale;
+        if (target == null) {
+            // Transform the clip relative to the target rect. Only do this in the case where we
+            // aren't applying the insets to the app windows (where the clip should be in target app
+            // space)
+            float scale = mTargetRect.width() / mSourceRect.width();
+            mSourceWindowClipInsets.left = mSourceWindowClipInsets.left * scale;
+            mSourceWindowClipInsets.top = mSourceWindowClipInsets.top * scale;
+            mSourceWindowClipInsets.right = mSourceWindowClipInsets.right * scale;
+            mSourceWindowClipInsets.bottom = mSourceWindowClipInsets.bottom * scale;
+        }
     }
 
     private void updateStackBoundsToMultiWindowTaskSize(BaseDraggingActivity activity) {