Disable long press recents whenever overview service is bound

- In both the quickstep and fallback cases, we'll rely on the UI to
  enter split screen and not long press recents button.

Bug: 76438197
Test: Manual, long press recents with fallback activity, ensure nothing
      happens

Change-Id: If3f367632c5c9ffae520285c694c71054b02f209
1 file changed