Support Lib: Set a HW layer for Fragment alpha animation

Change-Id: I477c410f7b932e7a9d737f85fa33bef0ba7c02e8
diff --git a/v4/api/current.txt b/v4/api/current.txt
index 4e8e5f2..d875164 100644
--- a/v4/api/current.txt
+++ b/v4/api/current.txt
@@ -2354,6 +2354,7 @@
     method public static float getZ(android.view.View);
     method public static boolean hasAccessibilityDelegate(android.view.View);
     method public static boolean hasNestedScrollingParent(android.view.View);
+    method public static boolean hasOverlappingRendering(android.view.View);
     method public static boolean hasTransientState(android.view.View);
     method public static boolean isAttachedToWindow(android.view.View);
     method public static boolean isLaidOut(android.view.View);