launcher: notify systemd about reloading
launcher: notify systemd about reloading

Hook into the reload notification as systemd expects. This appears to be purely
informational, but seems worth following the recommendations nonetheless.

Signed-off-by: Tom Gundersen <7c8224529a7c718e876cb2496c973509fde1e50e@jklm.no>

bus1/dbus-broker