Get rid of unused ASurfaceControl in frame metrics listener callback

Test: Existing tests
Change-Id: Ia071814dabfc762d00d3324bfaa343ff94ab8338
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index aa39d55..b11e722 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -731,8 +731,8 @@
     return nullptr;
 }
 
-void CanvasContext::onSurfaceStatsAvailable(void* context, ASurfaceControl* control,
-                                            int32_t surfaceControlId, ASurfaceControlStats* stats) {
+void CanvasContext::onSurfaceStatsAvailable(void* context, int32_t surfaceControlId,
+                                            ASurfaceControlStats* stats) {
     auto* instance = static_cast<CanvasContext*>(context);
 
     const ASurfaceControlFunctions& functions =