Winscope: Prevent layers trace from capturing entries once its disabled

Bug: 110052395
Test: manually capture Layers trace and check results
Test: run atest FlickerTest:CloseImeWindowToHomeTest
(some test runs were failing due to this issue)

Change-Id: Iadbc1894721e72f951ebdf127691010df4eb2bb9

parent 8231c940

services/surfaceflinger/SurfaceTracing.cpp

+3 −1

Original line number	Diff line number	Diff line
		@@ -58,7 +58,9 @@ bool SurfaceTracing::isEnabled() {

		void SurfaceTracing::traceLayers(const char* where, LayersProto layers) {
		std::lock_guard<std::mutex> protoGuard(mTraceMutex);

		if (!mEnabled) {
		return;
		}
		LayersTraceProto* entry = mTrace.add_entry();
		entry->set_elapsed_realtime_nanos(elapsedRealtimeNano());
		entry->set_where(where);