Light settings: reduce tone if preview image color is very light

Prevents material whiteout in color preview.

Change-Id: Idfa47e57bdb669b17b610b737d0fe2c942b47d78
CM PlatLogo: CyanogenMod version preference (2/2)

Binds the CyanogenMod version preference to launch CM easter egg
upon multiple taps.

Change-Id: I8e06642944d24581c0932c9964f2d9615bfcb832
Updates from cm-12.0 into lp5.0

Conflicts:
	src/com/android/settings/DeviceInfoSettings.java