Merge changes from topic "ril-split" into cuttlefish-testing

* changes:
  Minimal cleanup of the ril code for P compatibility
  Added 1.4 setDataProfile and setInitialAttachApn
  Add default implementation for carrier lock commands in IRadio 1.4
  Populate radio access family
  Add default implementation of enableModem for cuttlefish
  VTS test for IRadio 1.3 setSystemSelectionChannels
  Add default impl for emergencyDial
  Add default impl for getSignalStrength_1_4 and backward compatibility for getIccCardStatus
  Add cuttlefish default implementation for networkTypeBitmap
  Add default implementation of getModemStackStatus for cuttlefish
  Add StartNetworkScanV1_4 Impl
  Fork legacy ril into cuttlefish to support radio hal 1.4.