Exposing convenient method to get HTTP status response code in GraphServiceException

Author: deepak2016

src/main/java/com/microsoft/graph/http/GraphServiceException.java

@@ -152,6 +152,15 @@ protected GraphServiceException(final String method,
     public String getMessage() {
         return getMessage(verbose);
     }
+    
+    /**
+     * Gets the The HTTP status code
+     *
+     * @return The HTTP status response code
+     */
+    public int getResponseCode() {
+    	return responseCode;
+    }
 
     /**
      * Gets the message for this exception