Adding render stats APIs to UiAutomation (framework native).

bug:12927198

Change-Id: Ibb1c07f7d89e11281e5c1f27f412a29ac6f9c4ab
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 630f4b7..717ee66 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -210,6 +210,8 @@
     // called when screen is turning back on
     virtual void unblank(const sp<IBinder>& display);
     virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info);
+    virtual status_t clearAnimationFrameStats();
+    virtual status_t getAnimationFrameStats(FrameStats* outStats) const;
 
     /* ------------------------------------------------------------------------
      * DeathRecipient interface