Guard potential null case in FullscreenTaskListener.releaseWindowDecor

found in testing.

Bug: 244333148
Test: Test no longer fails.
Change-Id: Ie65ac68f11afc6777e2c9c18f8ad8386ae43082f

parent dcc64534

libs/WindowManager/Shell/src/com/android/wm/shell/fullscreen/FullscreenTaskListener.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -287,6 +287,9 @@ public class FullscreenTaskListener<T extends AutoCloseable>
		}

		private void releaseWindowDecor(T windowDecor) {
		if (windowDecor == null) {
		return;
		}
		try {
		windowDecor.close();
		} catch (Exception e) {