[10]RFR: 8136650: Add support for custom jtreg native tests

[Erik Joelsson]

(adding build-dev)

Looks good to me.

/Erik


On 2017-02-28 17:52, Robbin Ehn wrote:
> Hi, please review.
>
> This adds support for custom extensions the jtreg native tests.
>
> The issues is closed due to internal tests but contains no more info 
> than this subject:
> https://bugs.openjdk.java.net/browse/JDK-8136650
>
> Open webrev:
> http://cr.openjdk.java.net/~rehn/8136650/
>
> Tested with dummy native test.
>
> Thanks, Robbin