Add back increasing ring feature.

Change-Id: Ia14b6e0a105ad6a4232fe10073d07fab53d236da
Add back call blacklist backend.

Change-Id: I065f1c206cbb86b790e698b396cc611c9a434279
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Add back multiline notification for missed calls.

Change-Id: I7a6ce387a013ce9e48c8b60f37cb0679a2600a5c
Add back in-call vibration.

Change-Id: Id229f73a13e58168f0cceee1c4d4c5477384e889
Add back supplementary service notification handling.

Change-Id: I028716c386d51c1649542b6c44395159dd90bcc5
telephony: remove duplicate settings entry

Change-Id: I52e6200c4e970b6745170930d1c3012b7ca652a4