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

* commit 'e778d9fecead62e01a2696345934d1ee71e0bbe5':
  IMS-VT: Call showAnswerUi when onUpgradetoVideo callback is called

Change-Id: Ib253818ee10d931d00ba637eca8f7dd38a8ba932