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

Originally from dvtonder (CyanogenMod)

Change-Id: Iab519a757220c444f166b8a05246c7ca71b897d8

Conflicts:
	media/java/android/media/MediaRouterClientState.aidl
Merge branch remote branch 'kk'into kk

Conflicts:
	core/res/res/values/simpleaosp_symbols.xml

Change-Id: Ia1cafffbce09405e9bce8add066a5457e921ba83