Adding render stats APIs to UiAutomation (framework native).

bug:12927198

Change-Id: Ibb1c07f7d89e11281e5c1f27f412a29ac6f9c4ab
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 7f2ee2a..9920525 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1244,18 +1244,22 @@
     }
 }
 
-void Layer::dumpStats(String8& result) const {
-    mFrameTracker.dump(result);
+void Layer::dumpFrameStats(String8& result) const {
+    mFrameTracker.dumpStats(result);
 }
 
-void Layer::clearStats() {
-    mFrameTracker.clear();
+void Layer::clearFrameStats() {
+    mFrameTracker.clearStats();
 }
 
 void Layer::logFrameStats() {
     mFrameTracker.logAndResetStats(mName);
 }
 
+void Layer::getFrameStats(FrameStats* outStats) const {
+    mFrameTracker.getStats(outStats);
+}
+
 // ---------------------------------------------------------------------------
 
 Layer::LayerCleaner::LayerCleaner(const sp<SurfaceFlinger>& flinger,