Merge "Fix window x-axis movement after gesture ends." into tm-qpr-dev am: 12053e958f am: fb6fe0ce82

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20590521

Change-Id: I8c2ae63af9a2c768e3cc586ce808775fbec62c15
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/quickstep/AbsSwipeUpHandler.java

@@ -1201,7 +1201,6 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
         final GestureEndTarget endTarget = calculateEndTarget(velocity, endVelocity,
                 isFling, isCancel);
 
-        setClampScrollOffset(false);
         // Set the state, but don't notify until the animation completes
         mGestureState.setEndTarget(endTarget, false /* isAtomic */);
         mAnimationFactory.setEndTarget(endTarget);
@@ -1279,13 +1278,16 @@ public abstract class AbsSwipeUpHandler<T extends StatefulActivity<S>,
 
         // Let RecentsView handle the scrolling to the task, which we launch in startNewTask()
         // or resumeLastTask().
+        Runnable onPageTransitionEnd = () -> {
+            mGestureState.setState(STATE_RECENTS_SCROLLING_FINISHED);
+            setClampScrollOffset(false);
+        };
         if (mRecentsView != null) {
             ActiveGestureLog.INSTANCE.trackEvent(ActiveGestureErrorDetector.GestureEvent
                     .SET_ON_PAGE_TRANSITION_END_CALLBACK);
-            mRecentsView.setOnPageTransitionEndCallback(
-                    () -> mGestureState.setState(STATE_RECENTS_SCROLLING_FINISHED));
+            mRecentsView.setOnPageTransitionEndCallback(onPageTransitionEnd);
         } else {
-            mGestureState.setState(STATE_RECENTS_SCROLLING_FINISHED);
+            onPageTransitionEnd.run();
         }
 
         animateToProgress(startShift, endShift, duration, interpolator, endTarget, velocity);