Merge changes from topic "am-688aa1b8-4ed3-4170-9276-c3248d214981" into ub-launcher3-master

* changes:
  [automerger] Add null check before playing recents scale down anim am: 7cc878b5ae
  Add null check before playing recents scale down anim
diff --git a/quickstep/src/com/android/quickstep/ActivityControlHelper.java b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
index d37ac49..3c69973 100644
--- a/quickstep/src/com/android/quickstep/ActivityControlHelper.java
+++ b/quickstep/src/com/android/quickstep/ActivityControlHelper.java
@@ -299,6 +299,9 @@
         private void playScaleDownAnim(AnimatorSet anim, Launcher launcher) {
             RecentsView recentsView = launcher.getOverviewPanel();
             TaskView v = recentsView.getTaskViewAt(recentsView.getCurrentPage());
+            if (v == null) {
+                return;
+            }
             ClipAnimationHelper clipHelper = new ClipAnimationHelper();
             clipHelper.fromTaskThumbnailView(v.getThumbnail(), (RecentsView) v.getParent(), null);
             if (!clipHelper.getSourceRect().isEmpty() && !clipHelper.getTargetRect().isEmpty()) {