Merge "Revert "Fix notification group dismissal fade animation"" into tm-qpr-dev

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java

@@ -1487,7 +1487,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
             l.setAlpha(alpha);
         }
         if (mChildrenContainer != null) {
-            mChildrenContainer.setContentAlpha(alpha);
+            mChildrenContainer.setAlpha(alpha);
         }
     }
 

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationChildrenContainer.java

@@ -461,20 +461,6 @@ public class NotificationChildrenContainer extends ViewGroup
         return mAttachedChildren;
     }
 
-    /**
-     * Sets the alpha on the content, while leaving the background of the container itself as is.
-     *
-     * @param alpha alpha value to apply to the content
-     */
-    public void setContentAlpha(float alpha) {
-        for (int i = 0; i < mNotificationHeader.getChildCount(); i++) {
-            mNotificationHeader.getChildAt(i).setAlpha(alpha);
-        }
-        for (ExpandableNotificationRow child : getAttachedChildren()) {
-            child.setContentAlpha(alpha);
-        }
-    }
-
     /** To be called any time the rows have been updated */
     public void updateExpansionStates() {
         if (mChildrenExpanded || mUserLocked) {