Make contacts app aware of blacklist being disabled (1/3)

Change-Id: Ic59f370a6e78390c9b2b1510e0ec85b2f4af9146
Merge "Make contacts app aware of blacklist being disabled (1/3)" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_frameworks_base into cm-10.1