Retry galera_running_check after systemctl daemon-reload
Retry galera_running_check after systemctl daemon-reload

Since the systemctl daemon-reload has been added we're seeing some race
conditions that are causing intermittent failures. We can utilise the
retry option for galera_running_check and ensure the service is running
before continuing.

Change-Id: I7937a71f81862db3de682e45dda62fa0432c31a1

openstack/openstack-ansible-galera_server,openstack/openstack-ansible-galera_server,os-cloud/openstack-ansible-galera_server,os-cloud/openstack-ansible-galera_server