hg: jdk9/dev/jdk: 8171316: Add IMPLEMENTOR property to the release file

[sundararajan.athijegannathan at oracle.com]

Changeset: ad1c1e096661
Author:    sundar
Date:      2016-12-15 22:01 +0530
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/ad1c1e096661

8171316: Add IMPLEMENTOR property to the release file
Reviewed-by: jlaskey, erikj, mchung

+ test/tools/jlink/ReleaseImplementorTest.java