hg: jdk9/sandbox/jdk: 8163320: JAVA_VERSION in release file should come from java.base module

[chris.hegarty at oracle.com]

Changeset: 967c9ee04457
Author:    sundar
Date:      2016-09-13 20:59 +0530
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/967c9ee04457

8163320: JAVA_VERSION in release file should come from java.base module
Reviewed-by: mchung

! src/jdk.jlink/share/classes/jdk/tools/jlink/builder/DefaultImageBuilder.java
! test/tools/jlink/IntegrationTest.java