Merge "Clear data after calling ViewGroup#buildOrderedChildList" into sc-dev

core/java/android/view/View.java

@@ -10367,6 +10367,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
                         for (int i = 0; i < childDrawIndex; i++) {
                             drawingOrderInParent += numViewsForAccessibility(preorderedList.get(i));
                         }
+                        preorderedList.clear();
                     } else {
                         final int childIndex = parentGroup.indexOfChild(viewAtDrawingLevel);
                         final boolean customOrder = parentGroup.isChildrenDrawingOrderEnabled();