Fix logging for chrony
Fix logging for chrony

Chrony drops root to user 'chrony' on startup, and so was unable to
write to its log dir. Apply our usual chown on start pattern to fix
this.

Change-Id: Ia54cf5788ad015c3622902bca810bcbaaa948253
Closes-Bug: #1688216

stackforge/kolla,coolsvap/kolla,intel-onp/kolla,mrangana/kolla,rahulunair/kolla,nihilifer/kolla,coolsvap/kolla,coolsvap/kolla,openstack/kolla,mrangana/kolla,nihilifer/kolla,stackforge/kolla,GalenMa/kolla,stackforge/kolla,GalenMa/kolla,rahulunair/kolla,openstack/kolla,intel-onp/kolla