Merge branch 'dev/13/fp3/qcom_telephony_stack' into int/13/fp3

* dev/13/fp3/qcom_telephony_stack:
  Fix to release audio focus after call termination.
  IMS: Fix conference call log issues
  Add null checks in ConnectionServiceWrapper.
  Fix emergency only call account can't be constructed
  IMS: decouple ims-ext-common from boot jars
  Enable "Respond via SMS" option.
  IMS: Fix swap issue for active call with conference call

Change-Id: Ie04bd6feabc148a656860878185f289eee22218f