Merge "Don't recreate the launcher animation controller if gesture ended" into ub-launcher3-qt-dev

quickstep/recents_ui_overrides/src/com/android/quickstep/WindowTransformSwipeHandler.java

@@ -647,6 +647,9 @@ public class WindowTransformSwipeHandler<T extends BaseDraggingActivity>
     }
 
     private void buildAnimationController() {
+        if (mStateCallback.hasStates(STATE_GESTURE_COMPLETED)) {
+            return;
+        }
         initTransitionEndpoints(mActivity.getDeviceProfile());
         mAnimationFactory.createActivityController(mTransitionDragLength);
     }