Enable tlsproxy in python35 job
Enable tlsproxy in python35 job

This enables tlsproxy in the python35 job so that we can get closer to
enabling that by default in devstack.

Change-Id: I22ba399a64a84c11f58124dd4d999bd2aacf6ae9
Depends-On: Id1369da0d812edcf9b1204e9c567f8bfe77c48b2

openstack-infra/project-config,openstack-infra/project-config