Merge changes from topic "change-13630081" into sc-dev

* changes:
  Revert^2 "Remove final calls to Dependency.get from keyguard."
  Revert^2 "Remove Dependency.get from KeyguardStatusView."
  Revert^2 "Add injection to ClockProvider."
  Revert^2 "Remove Dependency.get from KeyguardSliceTextView."
  Revert^2 "Add Controller for Emergency Button."
  Revert^2 "Add ViewController to CarrierText."
  Create central TelephonyListenerManager.