[5/7] Settings: Blacklist support

Base: https://gerrit.omnirom.org/#/c/5668/
telephony: https://gerrit.omnirom.org/#/c/6347/
InCallUI: https://gerrit.omnirom.org/#/c/5669/
Mms: https://gerrit.omnirom.org/#/c/5671/
TelephonyProvider: https://gerrit.omnirom.org/#/c/5012/
Telephony: https://gerrit.omnirom.org/#/c/5010/

Change-Id: I6739bbd72f64095a324f6c6188e2eac53a2783b9
merge changes from Omni 4.4 into local branch

Change-Id: I4738b6dd57c291fd66ca85e82096d6b9707e2576