Fix regression in swiping over rotation button.

- Only send the hit target for visible buttons, otherwise we will defer
  starting the recents animation when swiping over them even if they are
  invisible.

Bug: 80320221
Test: Swipe up over hidden rotation button, ensure we don't defer the
      animation start

Change-Id: Ie6126eb25ca6cdda1dce2dccec92d83b8aca0563