[2/2] Add support for custom LED colors notification

Originally from dvtonder (CyanogenMod)

Change-Id: Iab519a757220c444f166b8a05246c7ca71b897d8

Conflicts:
	core/res/res/values/slim_symbols.xml
PackageManager: allow build-time disabling of components

Allow components to be specified as disabled at build time
(applied on boot).

This allows stock OTA components to be marked as disabled in
CM builds.

Change-Id: I6e4499cc40a779792a5ea97a10137399dad7d69f
Allow creating custom dialogs in DialogPreference.

This allows creating non-AlertDialogs while still using the click and
state handling of DialogPreference.

Change-Id: I54fd7d6d6b9f6a49fef1ae95e0178838b3edfa56