Merge branch 'application-mgt-new' into 'application-mgt-new'

Improve APPM app uninstall operation payload

See merge request entgra/carbon-device-mgt!298

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java

@@ -668,7 +668,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                     operation.setType(Operation.Type.PROFILE);
                     CustomApplication customApplication = new CustomApplication();
                     customApplication.setType(application.getType());
-                    //todo get application package name and set
+                    customApplication.setAppIdentifier(application.getPackageName());
                     operation.setPayLoad(customApplication.toJSON());
                     return operation;
                 } else {