Ambient indicator text color

Ambient indicator needs to be aware of overlay changes and
doze states.

Merged-In: Ia563ded294b2ebf862326f5831ee04ee11149625
Fixes: 62276116
Test: together with ag/2525169
Change-Id: Ia563ded294b2ebf862326f5831ee04ee11149625
(cherry picked from commit 66c41b0e69119484640e94bf7c81639e63fc5b99)
5 files changed