Merge "add ro.boottime.init.mount_all.* for measuring mount time"

    int mount_mode = MOUNT_MODE_DEFAULT;

    const char* fstabfile = args[1].c_str();

    std::size_t path_arg_end = args.size();

    const char* prop_post_fix = "default";

    for (na = args.size() - 1; na > 1; --na) {

        if (args[na] == "--early") {

            path_arg_end = na;

            queue_event = false;

            mount_mode = MOUNT_MODE_EARLY;

            prop_post_fix = "early";

        } else if (args[na] == "--late") {

            path_arg_end = na;

            import_rc = false;

            mount_mode = MOUNT_MODE_LATE;

            prop_post_fix = "late";

        }

    }

    std::string prop_name = android::base::StringPrintf("ro.boottime.init.mount_all.%s",

                                                        prop_post_fix);

    Timer t;

    int ret =  mount_fstab(fstabfile, mount_mode);

    property_set(prop_name.c_str(), std::to_string(t.duration_ms()).c_str());

    if (import_rc) {

        /* Paths of .rc files are specified at the 2nd argument and beyond */