The local keyword is used to allow chronyd to appear synchronised to
real time (from the viewpoint of clients polling it), even if it has no
current synchronisation source.
Change-Id: I27d945abb87a37d2fdf972a58c51e2f0994e3de8
Closes-Bug: #1688682
Chrony drops root to user 'chrony' on startup, so it's config file
should be owned by user this user.
Change-Id: I8ba976cc685d2e50e09211f67507487a1e0e3c5f