am 4056ab97: Merge "Add permission requirements to SipAudioCall and SipManager javadoc." into gingerbread

Merge commit '4056ab97be6224dcc00ac70843544790f2d65fb7' into gingerbread-plus-aosp

* commit '4056ab97be6224dcc00ac70843544790f2d65fb7':
  Add permission requirements to SipAudioCall and SipManager javadoc.