Fix flickering when layers resize in-place

bug:27248275
Change-Id: Ia11c93ebc1097f3735071204b6f14ca079bb9fc4
diff --git a/libs/hwui/ClipArea.h b/libs/hwui/ClipArea.h
index 479796d..1654eb8 100644
--- a/libs/hwui/ClipArea.h
+++ b/libs/hwui/ClipArea.h
@@ -106,6 +106,8 @@
     // Bounds of the clipping area, used to define the scissor, and define which
     // portion of the stencil is updated/used
     Rect rect;
+
+    void dump() const;
 };
 
 struct ClipRect : ClipBase {