Merge changes from topic 'sms-file-refactor'

* changes:
  Permit privileged system apps to send SMS without persisting.
  Move newFromRil() function to a utility class
  Remove dependency on telephony-common from services/core
  Move OTASP_* Consts from ServiceStateTracker to TelephonyManager
  Port Utility Functions from DefaultPhoneNotifier
  Remove dependency on IccConstants from SmsManager
  Merge branch 'stage-telephony-refactor' into master