hg: code-tools/jmh: Make sure ResultFormatTest writes out the actual files in UTF-8.

[aleksey.shipilev at oracle.com]

Changeset: a60472c69898
Author:    shade
Date:      2015-05-26 15:14 +0300
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/a60472c69898

Make sure ResultFormatTest writes out the actual files in UTF-8.

! jmh-core/src/test/java/org/openjdk/jmh/results/format/ResultFormatTest.java