hg: jdk/sandbox: 2 new changesets

[claes.redestad at oracle.com]

Changeset: 6dd05d35378e
Author:    redestad
Date:      2018-10-04 16:01 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/6dd05d35378e

merge default -> JEP-230


Changeset: d86dd5847e6d
Author:    redestad
Date:      2018-10-04 17:09 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d86dd5847e6d

Add RESULTS_FORMAT, remove CSV as default, run JMH on the test JDK directly

! make/RunTests.gmk