hg: openjfx/9-dev/rt: 8133750: Parse new JDK version string format in build.gradle

[kevin.rushforth at oracle.com]

Changeset: 5096751eb3ab
Author:    kcr
Date:      2015-12-16 05:56 -0800
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/5096751eb3ab

8133750: Parse new JDK version string format in build.gradle
Reviewed-by: ddhill, ckyang

! build.gradle