Update the service_token_roles_required to True for watcher
Update the service_token_roles_required to True for watcher

AuthToken middleware is set with
keystone_authtoken.service_token_roles_required set to False.
This is backwards compatible but deprecated behaviour.
This patch set it to True.

Change-Id: Id7df0b74a44753cd90359fd79caafd7acce9adb8

dardelean/kolla-ansible,dardelean/kolla-ansible,dardelean/kolla-ansible