Watch for neutron.conf in neutron_dvr_agents state

L3 and metadata agent get their config from neutron.conf as well
as from l3_agent.ini and metadata_agent.ini correspondingly.
That's why we need to watch for changes in neutron.conf too.

Change-Id: Ie30b2c2128bfbb50a87c55c3ee9b21111096919e
1 file changed