am c8a09d54: Merge "Separate VoLTE and VT configurations to enable devices/carriers to have VoLTE without VT." into lmp-mr1-dev

* commit 'c8a09d543429e1a937a13e2173c96255579495f7':
  Separate VoLTE and VT configurations to enable devices/carriers to have VoLTE without VT.