[8u-dev] Request for approval to backport: 8046339: sun.rmi.transport.DGCAckHandler leaks memory

[Ivan Gerasimov]

Hello!

I'd like to backport this simple yet useful fix to jdk8u.
The patch applies cleanly after unshuffling.

Would you please approve?

Bug: https://bugs.openjdk.java.net/browse/JDK-8046339
Jdk9 change: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/18751144d0fc
Jdk9 review: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2016-February/038723.html

Sincerely yours,
Ivan