hg: openjfx/9-dev/rt: 8162386: Revert build.gradle changes added by JDK-8161724

[murali.billa at oracle.com]

Changeset: 18ed0cff01a8
Author:    mbilla
Date:      2016-07-22 15:41 +0530
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/18ed0cff01a8

8162386: Revert build.gradle changes added by JDK-8161724
Reviewed-by: arajkumar

! build.gradle