Merge "[Partial Screen Sharing] Dismiss background after app selector launched" into udc-qpr-dev am: db448b3803

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24025610

Change-Id: I4807798d6b75f8c9d5287566e439e9e26939c8a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/src/com/android/systemui/media/MediaProjectionPermissionActivity.java

@@ -330,6 +330,8 @@ public class MediaProjectionPermissionActivity extends Activity
         // Don't send cancel if the user has moved on to the next activity.
         if (!mUserSelectingTask) {
             finish(RECORD_CANCEL, /* projection= */ null);
+        } else {
+            super.finish();
         }
     }