Use the full path to the message forwarding service.

Author: jonsimantov

messaging/src/android/java/LibraryManifest.xml

@@ -4,7 +4,7 @@
     <uses-sdk android:minSdkVersion='23'/>
     <application>
         <service
-            android:name="MessageForwardingService"
+            android:name="com.google.firebase.messaging.MessageForwardingService"
             android:permission="android.permission.BIND_JOB_SERVICE"
             android:exported="true"/>
     </application>