[9] RFR JDK-8153165: Fix MX tool config script to make the tool work with TESTNG

[Doug Simon]

Looks good to me.

> On 31 Mar 2016, at 10:50, Konstantin Shefov <k.s.shefov at gmail.com> wrote:
> 
> Hi
> 
> Please review a small fix in MX tool config
> 
> https://bugs.openjdk.java.net/browse/JDK-8153165
> http://cr.openjdk.java.net/~kshefov/8153165/webrev.00/
> 
> Thanks
> -Konstantin