Fullscreen UI when in Incoming call based on CM

https://github.com/CyanogenMod/android_packages_apps_InCallUI/commit/ac82695e8d3b09aa91bbfde76c8eb38a30f6bdff


Change-Id: Ic7f80e8b320673e349b511f0845777a1eac5992c
Merge remote-tracking branch 'PA/kitkat' into kitkat-remix