gnu: gst-plugins-good: Update package definition.

gnu: gst-plugins-good: Update package definition.

* gnu/packages/gstreamer.scm (gst-plugins-good): Update package definition.
[arguments]<#:glib-or-gtk?>: New argument.
<#:phases>['disable-tests-for-armhf]: Remove phase.
['disable-failing-tests]: Remove phase.
['patch-docbook-xml]: New phase.
['pre-check]: New phase.
[native-inputs]: Add docbook-xml, gettext-minimal, gobject-introspection,
gsettings-desktop-schemas, perl, libxml2 and xorg-server-for-tests.
[inputs]: Add bzip2, glib, glib-networking, glu, libgudev, libx11,
libxdamage, libxfixes, libxext, libxshmfence, mesa and v4l-utils.
Remove gst-plugins-base.
[propagated-inputs]: Add gstreamer and gst-plugins-base.
[synopsis]: Modify.
[description]: Modify.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>