Get rid of unused ASurfaceControl in frame metrics listener callback

Test: Existing tests
Change-Id: Ia071814dabfc762d00d3324bfaa343ff94ab8338
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index ec91e66..8d9750d 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -196,8 +196,8 @@
     SkISize getNextFrameSize() const;
 
     // Called when SurfaceStats are available.
-    static void onSurfaceStatsAvailable(void* context, ASurfaceControl* control,
-                                        int32_t surfaceControlId, ASurfaceControlStats* stats);
+    static void onSurfaceStatsAvailable(void* context, int32_t surfaceControlId,
+                                        ASurfaceControlStats* stats);
 
     void setASurfaceTransactionCallback(
             const std::function<bool(int64_t, int64_t, int64_t)>& callback) {