Merge "Avoid CalledFromWrongThreadException in BubbleController" into main

libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleController.java

@@ -307,16 +307,20 @@ public class BubbleController implements ConfigurationChangeListener {
                 new OneHandedTransitionCallback() {
                     @Override
                     public void onStartFinished(Rect bounds) {
+                        mMainExecutor.execute(() -> {
                             if (mStackView != null) {
                                 mStackView.onVerticalOffsetChanged(bounds.top);
                             }
+                        });
                     }
 
                     @Override
                     public void onStopFinished(Rect bounds) {
+                        mMainExecutor.execute(() -> {
                             if (mStackView != null) {
                                 mStackView.onVerticalOffsetChanged(bounds.top);
                             }
+                        });
                     }
                 });
     }