Fix of apparmor profile usage for LXC

Apparmor profile is placed to /etc/apparmor.d/lxc-container-apertis and
loaded automatically. This allows to use LXC containers on Apertis host
without manual profile load and allow to start containers on system boot
if needed.

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>
Reviewed-by: Emanuele Aina <emanuele.aina@collabora.co.uk>
Differential Revision: https://phabricator.apertis.org/D7416