[7u80] request for approval of backport of JDK-8046024: JDI shared memory transport failed with "Observed abandoned IP mutex"

[Staffan Larsen]

I’d like to backport this backout of a previous change. See the jdk 9 review 
request for details.

bug: https://bugs.openjdk.java.net/browse/JDK-8046024
review thread: 
http://mail.openjdk.java.net/pipermail/serviceability-dev/2014-June/015077.html
jdk9 fix: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/d9ed5f9c4bb9 
jdk8 fix: http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/3bb6a16b2690


Thanks,
/Staffan