downloadAvailableUpdate

Starts the download of the maps update. Only call this method after OnMapUpdateAvailableCallback.onMapUpdateAvailable is triggered (use addOnMapUpdateAvailableObserver) To get the download progress of the update, subscribe to OnMapDownloadProgressCallback (use addOnMapDownloadProgressObserver) You can also be notified when the download has finished by subscribing to OnMapDownloadedCallback (use addOnMapDownloadedObserver)

The downloaded update will be installed on the next app launch