Fixed an issue where HUNS could have a background am: 1791f50134 am: 3109ba4140

am: 7f6d085e8d

Change-Id: Icf51efb1d46b02ce7d9f976d03de8b14dbc40663

packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java

@@ -2038,6 +2038,7 @@ public class NotificationStackScrollLayout extends ViewGroup
         if (!mIsExpanded) {
             mBackgroundBounds.top = 0;
             mBackgroundBounds.bottom = 0;
+            return;
         }
         ActivatableNotificationView firstView = mFirstVisibleBackgroundChild;
         int top = 0;