RFR: 8152341 - JVMCI test task: Unit tests for MemoryAccessProvider

[Dmitrij Pochepko]

Hi,

please review patch for 8152341 - JVMCI test task: Unit tests for 
MemoryAccessProvider

A new tests were added for MemoryAccessProvider implementation. This 
patch contains tests for all MemoryAccessProvider methods (mostly a 
positive and few negative tests per method). A testng framework is used.

webrev: http://cr.openjdk.java.net/~dpochepk/8152341/webrev.01/
CR: https://bugs.openjdk.java.net/browse/JDK-8152341

I've tested it on linux_x64

Thanks,
Dmitrij