RFR: JDK-8191538: SA: tests for clhsdb commands: vmstructsdump, field, symboltable and symbol

[Jini George]

Hi all,

Would like to request for reviews for:

JBS id: https://bugs.openjdk.java.net/browse/JDK-8191538
Webrev: http://cr.openjdk.java.net/~jgeorge/8191538/webrev.00/

These are SA jtreg tests to test the following clhsdb commands:
* field
* vmstructsdump
* symboltable
* symbol

Thanks,
Jini.