Fix flash of ambient on fp unlock

If we are in fp mode WAKE_AND_UNLOCK assume always set dozing
to false because we may not have received the keyguard callback
yet but we still should be hiding doze content.

Test: Add delay to exit animation callback and use fp unlock
Change-Id: I3d9256482cd5a35f6fa8864577b799432e2ab189
Fixes: 34916735
(cherry picked from commit be9df03c)