Add operation code for policy operation

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/PolicyOperation.java

@@ -28,6 +28,7 @@ public class PolicyOperation extends Operation {
     public List<ProfileOperation> getProfileOperations() {
         return profileOperations;
     }
+    public static final String POLICY_OPERATION_CODE = "POLICY_BUNDLE";
 
     public void setProfileOperations(List<ProfileOperation> profileOperations) {
         this.profileOperations = profileOperations;

components/policy-mgt/org.wso2.carbon.policy.mgt.core/src/main/java/org/wso2/carbon/policy/mgt/core/PolicyManagerServiceImpl.java

@@ -104,6 +104,7 @@ public class PolicyManagerServiceImpl implements PolicyManagerService {
                 PolicyOperation policyOperation = new PolicyOperation();
                 policyOperation.setEnabled(true);
                 policyOperation.setType(Operation.Type.POLICY);
+                policyOperation.setCode(PolicyOperation.POLICY_OPERATION_CODE);
 
                 for (ProfileFeature feature : effectiveFeatures) {
                     ProfileOperation profileOperation = new ProfileOperation();