Make neutron_plugin_ml2 before db-sync
Make neutron_plugin_ml2 before db-sync

W/o this change some of config changes for
ml2 plugin could be not synced to db.

Solution is to add a notify on db-sync
for all Neutron_plugin_ml2 stanzas

Closes-bug: #1384119

Change-Id: I23f6bca99e1c077804011897814649419da326d4
Signed-off-by: Bogdan Dobrelya <0b23cd1e586d5f091fecb3391314c2b9ec1fd641@mirantis.com>

cloudbuy/puppet-neutron,IPnett/puppet-neutron,CiscoSystems/puppet-neutron,NeCTAR-RC/puppet-neutron,CiscoSystems/puppet-neutron,aldavud/puppet-neutron,IPnett/puppet-neutron,fuel-infra/puppet-neutron,NeCTAR-RC/puppet-neutron,openstack/puppet-neutron,plumgrid/puppet-neutron,aldavud/puppet-neutron,CiscoSystems/puppet-neutron,cloudbuy/puppet-neutron,plumgrid/puppet-neutron,fuel-infra/puppet-neutron,aldavud/puppet-neutron,IPnett/puppet-neutron,redhat-cip/puppet-neutron,cloudbuy/puppet-neutron,redhat-cip/puppet-neutron,rdo-puppet-modules/puppet-neutron,rdo-puppet-modules/puppet-neutron,fuel-infra/puppet-neutron,redhat-cip/puppet-neutron,openstack/puppet-neutron,NeCTAR-RC/puppet-neutron