Add feature identity for qos rule types
Add feature identity for qos rule types

This patch is preperation for supporting some
qos features and more specifically the feature
negotiation of those features.

See https://review.openstack.org/#/c/558554/ for details.

Change-Id: I18423ba66cd62b1b099c81cb545412a317a8520c
Signed-off-by: Josh <478499ed8b5e86dc1977051a0592139e98ea4c1c@redhat.com>

opendaylight/neutron