Currently permissions are set to be root, but tempest runs as 'tempest'
user - and gets permission denied.

Change-Id: Ia3a8a2e780f95c6aa16a9d2483d987322741cfbf

The OpenStack Integration Test Suite (Tempest) doesn't use oslo.policy
library.
oslo.policy is not used in codebase and not set in requirements.txt:
https://github.com/openstack/tempest/blob/master/requirements.txt#L14

All policy.json related stuff must be removed.

Change-Id: I0d8ee710979a7eebba1e8fc176450e4c0bcbe757

Include custom policy.json files in service-api.json.j2 files

Change-Id: Ic55bfc6f61131aa72c3497ce8b2282056bcc7f92
Partially-Implements: blueprint custom-policies

DocImpact

Implments: blueprint ansible-tempest
Change-Id: Iadd86d9d91438f056c433b9a2016f32587c92878