Request transition for global config change

So all displays can be collected with a snapshot if needed.
Then if there are any activities recreated for the changes,
there won't be flickering.

Bug: 364879728
Flag: EXEMPT bugfix
Test: Change locale with multiple displays.
      All displays are included in transition with a snapshot.

Change-Id: I6fd39b1bd3ff8be56a5217a1788479c2b8e20df2