Merge "Sync client visibility if activity is stopped" into sc-dev am: be851a2ae3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15258890

Change-Id: I3c0c20191c6f3e1f40b4900c6a1a6dc8c445c834

services/core/java/com/android/server/wm/ActivityRecord.java

@@ -5029,6 +5029,10 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         // Reset the last saved PiP snap fraction on app stop.
         mDisplayContent.mPinnedTaskController.onActivityHidden(mActivityComponent);
         mDisplayContent.mUnknownAppVisibilityController.appRemovedOrHidden(this);
+        if (isClientVisible()) {
+            // Though this is usually unlikely to happen, still make sure the client is invisible.
+            setClientVisible(false);
+        }
         destroySurfaces();
         // Remove any starting window that was added for this app if they are still around.
         removeStartingWindow();