In current setup some Contrail services belong to the wrong roles.
The Contrail control plane can be impacted if the Analytics database has
problems.
Change-Id: I0d57a2324c38b5b20cc687c6217a7a364941f7e6
Depends-On: Id0dd35b95c5fe9d0fcc1e16c4b7d6cc601f10818
Closes-Bug: #1659560