am 6e423200: am ec4e711b: am 17d21485: Merge changes from topic \'merge-dr1-063015\' into mnc-dr-dev

* commit '6e4232005492440c1ea5d6538d3558d4989a0827':
  Display Supplementary Service Notification
  IMS: Add support for MO ims phantom call.
  SRVCC Conference call scenarios with mid-call enabled.
  Set extras
  Rename VoLTE/WFC enable API to available - add VT available API.