Propagates voice call radio technology to connection

The voice call radio technology is calculated for CS
and IMS PS call with different ways:
- For CS calls, it comes from current device camped
  RIL voice technology.
- For IMS PS calls, it comes from the profile extra
  value for the ims call.

Bug: 67856372
Test: Manual + unit tests
Change-Id: I1ab765f01ee3f1cb1af716c34b4e8a232136a028