Fix calling blacklist settings from other apps.

Change-Id: I47b737a4c453c1a0ca5b57fc6b58cbd8e0099ac8
Properly grey out phone light options.

Makes it follow the backend implementation.

Change-Id: I396ca0bd863c03bcb759dd43f01f485cce5b7134
Settings: merge CyanogenMod

Change-Id: Ic8a9e3b9287702c414415392aefff2ef1832e9e1