CM PlatLogo: CyanogenMod version preference (2/2)

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

Change-Id: I8e06642944d24581c0932c9964f2d9615bfcb832
Merge remote-tracking branch 'cm/cm-11.0' into HEAD
Revert "CM PlatLogo: CyanogenMod version preference (2/2)"

This reverts commit 3c4b17d6ac8ae7476dc95ba824da98092ea7e1fe.