watchdog.cfg

{
    "services" : [{
            "name" : "watchdog_service",
            "start-mode" : "condition",
            "path" : ["/system/bin/watchdog_service", "10", "2"],
            "disabled" : 1,
            "sandbox" : 0,
            "uid" : "root",
            "gid" : ["shell", "log", "readproc"]
        }
    ]
}