[vectorIntrinsics] Fix for unit tests for Vector API failed on SkyLake

[Bhateja, Jatin]

Hi All,

Please review following patch.
Bug: https://bugs.openjdk.java.net/browse/JDK-8225018
Webrev: http://cr.openjdk.java.net/~jbhateja/vectorIntrinsics/BUGS/JDK-8225018/webrev.00/

Thanks,
Jatin