Merge changes from topic "modem-simulator-pts"

* changes:
  [Pandora] Access modemsimulator port from mmi2grpc
  [Pandora] Add InCallService to HFP Pandora server
  [Rootcanal] Miscellaneous bugfixes for SCO
  [Rootcanal] Spoof SCO packets on offload path
  RootCanal: Implement the CSR Vendor command