InCallUI: Move CAF strings

Change-Id: I9965e9455460c6c1c1e1c8e7b5f95230f25bdf66
InCallUI: Remove unused strings

Change-Id: I70684a5852f868624f585fa78c94d6ecfbe83394
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_apps_InCallUI into kitkat