Set setype on etcd's service directory

Set correct setype so the Etcd service has permission to chown its
own service directory (/var/lib/etcd).

Change-Id: I065952d76efcc7434852f538ec56c7db94ce4524

deployment/etcd/etcd-container-puppet.yaml

@@ -157,6 +157,7 @@ outputs:
           file:
             path: /var/lib/etcd
             state: directory
+            setype: svirt_sandbox_file_t
       upgrade_tasks: []
       metadata_settings:
         if: