Associates, updates, or disables a policy with a listener on the load
        balancer. Currently only zero (0) or one (1) policy can be associated
        with a listener.

def set_lb_policies_of_listener(self, lb_name, lb_port, policies):
        """
        Associates, updates, or disables a policy with a listener on the load
        balancer. Currently only zero (0) or one (1) policy can be associated
        with a listener.
        """
        params = {
                    'LoadBalancerName'          : lb_name,
                    'LoadBalancerPort'          : lb_port,
                 }
        self.build_list_params(params, policies, 'PolicyNames.member.%d')
        return self.get_status('SetLoadBalancerPoliciesOfListener', params)