Review request for JDK-8134939: Improve toString method of Dynalink DynamicMethod objects

[Attila Szegedi]

Please review JDK-8134939 "Improve toString method of Dynalink DynamicMethod 
objects" at <http://cr.openjdk.java.net/~attila/8134939/webrev.01.jdk9> for 
<https://bugs.openjdk.java.net/browse/JDK-8134939>

Thanks,
  Attila.