Merge "IMS-VT: Call showAnswerUi when onUpgradetoVideo callback is called" into nyc-mr1-dev am: e778d9fece
am: aef9678978

* commit 'aef96789781b9095be4606fd5dfa5f6ff81b6dc6':
  IMS-VT: Call showAnswerUi when onUpgradetoVideo callback is called

Change-Id: Iefb62eee7273750b85146f304a49eb1e2581a45f