Move protocol to DocumentedRuleDefault
Move protocol to DocumentedRuleDefault

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

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

Change-Id: Ia4a1adf85838a91953d5d07703ad9bed891c7e5b
Partially-Implements: bp policy-docs

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