Move policy policies to DocumentedRuleDefault
Move policy policies to DocumentedRuleDefault

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

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

Change-Id: Ibaf4df9f270d2a816d4242153ed927667254a406
Partially-Implements: bp policy-docs

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