Merge changes from topic "b150393918-lock-icon-controller" into rvc-dev

* changes:
  Move DockEventListener from LockIcon to Controller
  Move KeyguardUpdateMonitorCallback from LockIcon to Controller.
  Remove OnHeadsUpChangedListener from LockIcon.
  Move WakeUpListener from LockIcon to Controller.
  Remove KeyguardStateController.Callback from LockIcon.