Add high priority to notification send in mobile

application/src/main/java/org/thingsboard/server/service/notification/provider/DefaultFirebaseService.java

@@ -21,6 +21,7 @@ import com.github.benmanes.caffeine.cache.RemovalCause;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.FirebaseOptions;
+import com.google.firebase.messaging.AndroidConfig;
 import com.google.firebase.messaging.FirebaseMessaging;
 import com.google.firebase.messaging.FirebaseMessagingException;
 import com.google.firebase.messaging.Message;
@@ -65,6 +66,9 @@ public class DefaultFirebaseService implements FirebaseService {
                         .setTitle(title)
                         .setBody(body)
                         .build())
+                .setAndroidConfig(AndroidConfig.builder()
+                        .setPriority(AndroidConfig.Priority.HIGH)
+                        .build())
                 .setToken(fcmToken)
                 .build();
         firebaseContext.getMessaging().send(message);