Request for Approval: JDK-8197943: Unable to use JDWP API in JDK 8 to debug JDK 9 VM

[Langer, Christoph]

Hi,

please approve this backport of a change that came in to JDK9 with the big initial Jigsaw modularization patch.

Bug: https://bugs.openjdk.java.net/browse/JDK-8197943
Webrev: http://cr.openjdk.java.net/~clanger/webrevs/8197943.0/
Review Thread: http://mail.openjdk.java.net/pipermail/serviceability-dev/2018-February/023135.html

Thanks
Christoph