on post-fs
    chown system system /mnt/vendor/tzapp
    chmod 0770 /mnt/vendor/tzapp
    restorecon_recursive /mnt/vendor/tzapp

service trustlet_backup /vendor/bin/init.mmi.backup.trustlet.sh
    class main
    user system
    group system
    oneshot
    disabled

on property:sys.boot_completed=1
    start trustlet_backup