Add Profiles.

Change-Id: Id195de6f8c0b1cd08fc0c32b4347c7c97c347bb1

Conflicts:
	core/java/android/provider/Settings.java
	core/res/res/values/nexus_strings.xml
	media/java/android/media/AudioManager.java
	policy/src/com/android/internal/policy/impl/GlobalActions.java
Profiles : Global actions (Power dialog)

Change-Id: I9c7c5440b7b893eafefcfb6421ab6e7fec7401df

Conflicts:
	core/res/res/values/nexus_strings.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java
GlobalActions: public CharSequence getLabelForAccessibility

Change-Id: Ia600163654c9486a09e0cc632d6c8a4e964edda0
Profiles: Fix global action for profile

Change-Id: I29f568bf00a30131ceeae819654a8000d727713b