etc/init/locationsa.cfg

{
    "jobs" : [{
            "name" : "post-fs-data",
            "cmds" : [
                "start locationhub",
                "mkdir /data/vendor/gnss 0770 system system"
            ]
        }
    ],
    "services" : [{
            "name" : "locationhub",
            "path" : ["/system/bin/sa_main", "/system/profile/locationhub.xml"],
            "uid" : "root",
            "gid" : ["root", "shell"]
        }
    ]
}