Add to deploy setup_sink_props_max_lateness scenario.
When running gst-validate with valgrind option on the installed package, it fails to find that scenario.
Reviewed-by: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
Reviewed-by: Thibault Saunier <tsaunier@gnome.org>
Differential Revision: https://phabricator.freedesktop.org/D379