test/.../testlibrary/DynamicVMOption.java - common lib for dynamic VM options

[Dmitry Fazunenko]

Hi,

Would please look at the new version of a common library for testing 
dynamic VM options:

http://cr.openjdk.java.net/~iignatyev/dfazunenko/8039489/webrev.00/

Updated tests using this library will look like:
http://cr.openjdk.java.net/~iignatyev/dfazunenko/8041358/webrev.00/

Any your comments will be much appreciated.

Thanks,
Dima