add a ranking service to the rocket

Bug: 22960980
Change-Id: Ic0e911a2f048a4b47171b338c3de13125852be43
diff --git a/packages/ExtServices/AndroidManifest.xml b/packages/ExtServices/AndroidManifest.xml
index 100b35c..519db66 100644
--- a/packages/ExtServices/AndroidManifest.xml
+++ b/packages/ExtServices/AndroidManifest.xml
@@ -15,18 +15,27 @@
 -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
     package="android.ext.services"
     android:versionCode="1"
     android:versionName="1"
     coreApp="true">
 
     <application android:label="@string/app_name"
-        android:allowBackup="false"
         android:forceDeviceEncrypted="true"
         android:encryptionAware="true">
 
         <library android:name="android.ext.services"/>
 
+        <service android:name=".notification.Ranker"
+                android:label="@string/notification_ranker"
+                android:permission="android.permission.BIND_NOTIFICATION_RANKER_SERVICE"
+                android:exported="true">
+            <intent-filter>
+                <action android:name="android.service.notification.NotificationRankerService" />
+            </intent-filter>
+        </service>
+
     </application>
 
 </manifest>