Enable FCM by default

features/mobile-plugins-feature/android-plugin-feature/org.wso2.carbon.device.mgt.mobile.android.feature/src/main/resources/devicetypes/android.xml

@@ -57,8 +57,8 @@
     access server after receiving push notification.
     -->
     <!--Configuration for enable firebase push notifications-->
-    <!--<PushNotificationProviderConfig type="FCM" isScheduled="false">-->
-    <!--</PushNotificationProviderConfig>-->
+    <PushNotificationProviderConfig type="FCM" isScheduled="false">
+    </PushNotificationProviderConfig>
 
     <DataSource>
         <JndiConfig>