IMS-VT: Set audio route correctly for Video/voice call for outgoing calls

- Route audio to earpiece in DIALING state if call is a Voice call and
  bluetooth or wired headset is not connected. This fixes an issue where
  if we make a first video call and second outgoing call is voice, audio
  is routed to speaker which is not expected.

Change-Id: I8c534bc4164eefa71cb070b0e446e901b151858a
CRs-Fixed: 879183
1 file changed