[PATCH] Review request: 8009259 TEST_BUG: sun/misc/Cleaner/exitOnThrow.sh failing intermittently

[Eric Wang]

Hi,

Please help to review the fix below for bug 8009259 
<https://jbs.oracle.com/bugs/browse/JDK-8009259> TEST_BUG: 
sun/misc/Cleaner/exitOnThrow.sh failing intermittently.
http://cr.openjdk.java.net/~ewang/8009259/webrev.00/

The test failed due to wrong assumption of thread scheduling, so fix it 
to make test passes if exception thrown or fails if jtreg execution timeout.

Thanks,
Eric