hg: jdk/submit: 8193660: Check SOURCE line in "release" file for closedjdk

[alexandre.iline at oracle.com]

Changeset: 13ff1c3f0d4c
Author:    shurailine
Date:      2018-03-05 05:50 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/13ff1c3f0d4c

8193660: Check SOURCE line in "release" file for closedjdk
Reviewed-by: alanb
Contributed-by: randy.crihfield at oracle.com

- test/jdk/sanity/releaseFile/NegativeSOURCETest.java