ensure 20listchanges is not in debian container
ensure 20listchanges is not in debian container

20listchanges has apt call apt-listchanges
apt-listchanges is not in the base container so we get a failure

Change-Id: I4b74670edd7b4ae9710dbb39deb82c0775a1ff66
Closes-Bug: #1839535

openstack/openstack-ansible-lxc_hosts,openstack/openstack-ansible-lxc_hosts