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

Originally from dvtonder (CyanogenMod)

Change-Id: Iab519a757220c444f166b8a05246c7ca71b897d8

Conflicts:
	core/res/res/values/slim_symbols.xml
Frameworks: Advanced Power Menu

Change-Id: I1c9af874a340e4fccbef09a5879f0b718d6998dd

Conflicts:
	core/res/res/values/beergang_symbols.xml
	core/res/res/values/slim_strings.xml
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