braze-ios-13-push-patch-pre-3.20.0.swift

  func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
    if (deviceToken.count == 0) {
      print("Device token length was 0. Doing nothing.")
      return;
    }
    let deviceTokenString = deviceToken.map { String(format: "%02x", $0) }.joined()
    
    print("Registering device token with Braze: " + deviceTokenString)
    Appboy.sharedInstance()!.registerPushToken(deviceTokenString)
  }