etc/init/mdnsmanager.cfg

{
    "services" : [{
            "name" : "mdnsmanager",
            "path" : ["/system/bin/sa_main", "/system/profile/mdnsmanager.json"],
            "ondemand" : true,
            "uid" : "net_manager",
            "gid" : ["net_manager", "system", "shell"],
            "secon" : "u:r:mdnsmanager:s0"
        }
    ]
}