Ensure AOD ui reappears after ALTERNATE_BOUNCER

With the shade expanded, tap a notification, see the
ALTERNATE_BOUNCER, hit power off. AOD should now appear.

Bug: 343327511
Test: atest AlternateBouncerToAodTransitionViewModelTest
Flag: com.android.systemui.migrate_clocks_to_blueprint
Change-Id: If94290ec574c6851fbbaf46a2507f712879ab9d6