[8u40] Request for review and approval: 8059070 : [TESTBUG] java/lang/invoke/LFCaching/LFMultiThreadCachingTest.java failed - timeout

[Konstantin Shefov]

Please review and approve backport of JDK-8059070 to 8u40.

This is the test fix and it is a bit different from that of JDK 9.

Bug: https://bugs.openjdk.java.net/browse/JDK-8059070
Webrev: http://cr.openjdk.java.net/~kshefov/8059070_8u/webrev.00
Review thread: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2014-November/029831.html
Changeset: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/1d480d8fcf8c


Thanks,
-Konstantin