hg: openjfx/9-dev/rt: 8166056: Add FX build option

[kevin.rushforth at oracle.com]

Changeset: 296ffce8d400
Author:    kcr
Date:      2016-10-06 10:54 -0700
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/296ffce8d400

8166056: Add FX build option
Reviewed-by: almatvee, mschoene

! buildSrc/win.gradle
! modules/javafx.media/src/main/native/gstreamer/projects/win/fxplugins/Makefile
! modules/javafx.media/src/main/native/gstreamer/projects/win/glib-lite/Makefile
! modules/javafx.media/src/main/native/gstreamer/projects/win/glib-lite/Makefile.ffi
! modules/javafx.media/src/main/native/gstreamer/projects/win/gstreamer-lite/Makefile
! modules/javafx.media/src/main/native/jfxmedia/projects/win/Makefile