[RESTRICT AUTOMERGE] SF: Call clear() instead of empty()

empty() returns bool and doesn't do anything. After upgrading libc++,
discarding the result of empty() becomes an error because the function
is marked with [[nodiscard]] in C++20 mode.

Bug: 175635923
Test: treehugger
Change-Id: I0dddc668fee3637a5e7c88925c522f04539abeba

parent a1d58879

services/surfaceflinger/tests/SurfaceInterceptor_test.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -359,7 +359,7 @@ void SurfaceInterceptorTest::backgroundBlurRadiusUpdate(Transaction& t) {
		}

		void SurfaceInterceptorTest::blurRegionsUpdate(Transaction& t) {
		BLUR_REGIONS_UPDATE.empty();
		BLUR_REGIONS_UPDATE.clear();
		BLUR_REGIONS_UPDATE.push_back(BlurRegion());
		t.setBlurRegions(mBGSurfaceControl, BLUR_REGIONS_UPDATE);
		}