StatusBar Brightness Control WIP

Change-Id: Id7d59b9f368d877474ac2509d53ac01e5860d04c
Fix typo and correct manifest

Change-Id: I92ff5efe1e593160e4ffb6db8226397710a7842b
Updated summary of brightness control

Change-Id: I5cf67a3ce0c259d25e44661dc2f23df0110a5da2