add On Highway Exit Listener
Add a OnHighwayExitListener to NavigationManager to subscribe to highway exit event(s).
open fun addOnHighwayExitListener(listener: NavigationManager.OnHighwayExitListener, @Nullable executor: Executor)
Add a OnHighwayExitListener to NavigationManager to subscribe to highway exit event(s).
Parameters
executor
Executor which will execute listener's callbacks