Enable debug stuffs

 Bug: 14596762
 * dumpsys gfxinfo implemented
 * profile GPU visual_bars implemented

Change-Id: Icb948a9d5af5989b5615504d0d76ade64b93ef5b
diff --git a/libs/hwui/RenderNode.h b/libs/hwui/RenderNode.h
index 1811a7b..1a5377b 100644
--- a/libs/hwui/RenderNode.h
+++ b/libs/hwui/RenderNode.h
@@ -119,6 +119,7 @@
     void replayNodeInParent(ReplayStateStruct& replayStruct, const int level);
 
     ANDROID_API void output(uint32_t level = 1);
+    ANDROID_API int getDebugSize();
 
     bool isRenderable() const {
         return mDisplayListData && mDisplayListData->hasDrawOps;