6607114: Make JMXServiceURL reconstructible in MXBeans

Summary: Add @ConstructorProperties tag to JMXServiceURL
Reviewed-by: dfuchs

src/share/classes/javax/management/remote/JMXServiceURL.java

@@ -274,6 +274,7 @@ public class JMXServiceURL implements Serializable {
      * is not possible to find the local host name, or if
      * <code>port</code> is negative.
      */
+    @ConstructorProperties({"protocol", "host", "port", "URLPath"})
     public JMXServiceURL(String protocol, String host, int port,
                          String urlPath)
             throws MalformedURLException {