
Adds --qos-policy and --no-qos-policy to `openstack router set`: --qos-policy <qos-policy> Attach QoS policy to router gateway IPs --no-qos-policy Remove QoS policy from router gateway IPs Adds --qos-policy to `openstack router unset`: --qos-policy Remove QoS policy from router gateway IPs Partially-Implements blueprint: router-gateway-ip-qos Closes-Bug: #1757044 Change-Id: Ifec3b2cf9bdb59513c8bcd7bd60305506a071192