Fix issue with wrong content insets immediately after rotation

- Force a layout to ensure that the content insets are updated for the
  home activity prior to notifying the recents callback

Bug: 112205777
Test: Rotate phone, swipe up and ensure that home gets the right content
      insets

Change-Id: If99242dc647f62268da90e7b3151531e5fc8b02a
1 file changed