RFR(T) : 8239500 : jittester shouldn't use System::nanoTime and currentTimeMills in generated code

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev//8239500/webrev.00
> 2 lines changed: 2 ins; 0 del; 0 mod;

Hi all,

could you please review this small and trivial patch which prohibits usage of System::nanoTime and currentTimeMills methods by jit-tester due to their indeterminism?

JBS: https://bugs.openjdk.java.net/browse/JDK-8239500
webrev: http://cr.openjdk.java.net/~iignatyev//8239500/webrev.00

Thanks,
-- Igor