In ansible/roles/etcd/tasks/config.yml, the kolla_docker
compare_container action doesn't check environment.
Once a container is created, it won't get recreated if only the
environment change. This commit add the environment attribute to the
kolla_docker action in etcd role
Change-Id: I8fb71cc945867e06acc67f6d1256bf62f4276206
Closes-Bug: #1765517