Action bar is no longer visible in dialpad search after configuartion change.

If a user, for example, opened dialpad search then entered multiwindow mode,
the actionbar would be visible and search results maligned. This change
corrects that by updating it's state once possible.

Test: manual
PiperOrigin-RevId: 177497979
Change-Id: I41d4910b5bb92e29623960e7d4741a9a961e5b9e