Merge "Fixed some notification leaks"

packages/SystemUI/src/com/android/systemui/ExpandHelper.java

@@ -571,6 +571,7 @@ public class ExpandHelper implements Gefingerpoken {
                 public void onAnimationEnd(Animator animation) {
                     if (!mCancelled) {
                         mCallback.setUserExpandedChild(scaledView, expand);
+                        mScaler.setView(null);
                     } else {
                         mCallback.setExpansionCancelled(scaledView);
                     }
@@ -592,6 +593,7 @@ public class ExpandHelper implements Gefingerpoken {
             }
             mCallback.setUserExpandedChild(mResizedView, nowExpanded);
             mCallback.setUserLockedChild(mResizedView, false);
+            mScaler.setView(null);
         }
 
         mExpanding = false;

packages/SystemUI/src/com/android/systemui/statusbar/DragDownHelper.java

@@ -133,6 +133,7 @@ public class DragDownHelper implements Gefingerpoken {
                         mDragDownCallback.setEmptyDragAmount(0f);
                     } else {
                         mCallback.setUserLockedChild(mStartingChild, false);
+                        mStartingChild = null;
                     }
                     mDraggingDown = false;
                 } else {
@@ -214,6 +215,7 @@ public class DragDownHelper implements Gefingerpoken {
         mFalsingManager.onNotificatonStopDraggingDown();
         if (mStartingChild != null) {
             cancelExpansion(mStartingChild);
+            mStartingChild = null;
         } else {
             cancelExpansion();
         }

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

@@ -2814,7 +2814,7 @@ public class NotificationStackScrollLayout extends ViewGroup
             }
             mNeedsAnimation = true;
         }
-        if (isHeadsUp(child) && !mChangePositionInProgress) {
+        if (isHeadsUp(child) && mAnimationsEnabled && !mChangePositionInProgress) {
             mAddedHeadsUpChildren.add(child);
             mChildrenToAddAnimated.remove(child);
         }