Merge "fixed memcached is not restarted when config changed"

ansible/roles/memcached/handlers/main.yml

@@ -4,7 +4,7 @@
     service: "{{ memcached_services.memcached }}"
   become: true
   kolla_docker:
-    action: "start_container"
+    action: "recreate_or_restart_container"
     common_options: "{{ docker_common_options }}"
     image: "{{ service.image }}"
     name: "{{ service.container_name }}"