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

Change-Id: Ic59f370a6e78390c9b2b1510e0ec85b2f4af9146
Framework: Generic Blacklist support (4 of 5)

Change-Id: Id6c85c9a537713ec77d00deb7f7fe5a9150be2cd
Framework: Fix blacklist support

Copy & Paste isn't a good friend for programmers ;)

Change-Id: Ic6ab81462530f614b9e896cb098590241accb192