title: Notification not receive when Application terminated in android
body: <p>I use firebase push notification to device token. When app is opening or in foreground I can get notification well. But when app is kill or clear app on current task, I cannot receive notification send. </p>
  
  <p>I have tried on onMessageReceived aleardy at first time work. but now it's not work when killed app. </p>
  
  <ul>
  <li><p>Code  Receive Notification: </p>
  
  <pre><code>class MyFirebaseMessagingService : FirebaseMessagingService() {
        override fun onMessageReceived(p0: RemoteMessage) {
            val data = p0!!.data
            Log.e("AAAAAAAAAAAAA: ","data 
            111111111111111111111111111111111111111111111111:" + data["key1"])
       }
  }
  </code></pre></li>
  <li><p>Post Send notification data:
  Send to:  <a href="https://fcm.googleapis.com/fcm/send" rel="nofollow noreferrer">https://fcm.googleapis.com/fcm/send</a></p></li>
  <li><p>Data   : </p>
  
  <pre><code>{
  "to" : "token key",
  "data": {
         "key1" : "value1",
         "key2" : "value2",
         "other_key" : true
       }
  }
  </code></pre></li>
  </ul>
  
  <p>Result, for app is opening, I can receive data well, but when killed I cannot receive data.</p>