hg: openjfx/9-dev/rt: 8150503: Provide media support for libav version 55 and 56

[alexander.matveev at oracle.com]

Changeset: e111a3367804
Author:    almatvee
Date:      2016-03-04 15:30 -0800
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/e111a3367804

8150503: Provide media support for libav version 55 and 56
Reviewed-by: kcr, stayer

! build.gradle
! modules/media/src/main/native/gstreamer/gstreamer-lite/gstreamer/gst/gstregistry.c
! modules/media/src/main/native/gstreamer/projects/linux/avplugin/Makefile