Added configuration modifcation permission

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.api/src/main/webapp/META-INF/permissions.xml

@@ -39,6 +39,13 @@
         <method>GET</method>
     </Permission>
 
+    <Permission>
+        <name>Modify Tenant configuration</name>
+        <path>/device-mgt/admin/platform-configs/add</path>
+        <url>/configuration</url>
+        <method>PUT</method>
+    </Permission>
+
     <Permission>
         <name>Add Tenant configuration</name>
         <path>/device-mgt/admin/platform-configs/add</path>