job specs and warden infrastructure template refer to renamed uaa client

- client has been renamed from uaa.clients.cc_service_broker_client to uaa.clients.cc-service-dashboards
- client name has been changed to new name for warden template
- both old and new client names are currently supported for stubs (non-warden environments)
[#71039298]

Signed-off-by: Alex Stupakov <astupakov+github-pivotal@pivotallabs.com>