hg: jdk9/sandbox: JEP-223-branch: Changed the value of JAVA_VERSION in the "release" file in the image from LEGACYVER_JDK_VERSION to VERSION_NUMBER

[magnus.ihse.bursie at oracle.com]

Changeset: 5aa3b06a113f
Author:    ihse
Date:      2015-04-17 15:14 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/5aa3b06a113f

JEP-223-branch: Changed the value of JAVA_VERSION in the "release" file in the image from LEGACYVER_JDK_VERSION to VERSION_NUMBER

! make/Images.gmk