Move domain policies to DocumentedRuleDefault
Move domain policies to DocumentedRuleDefault

A new policy class was introduce that requires
additional parameters when defining policy objects.

This patch switches our domain policy object to
the policy.DocumentedRuleDefault and fills the
required policy parameters as needed.


Change-Id: Ie54930081ad7761c4b7dd3d3b0eb3bb5e4c23827
Partially-Implements: bp policy-docs

ilay09/keystone,openstack/keystone,mahak/keystone,openstack/keystone,ilay09/keystone,rajalokan/keystone,mahak/keystone,rajalokan/keystone,ilay09/keystone,rajalokan/keystone,openstack/keystone,mahak/keystone