Pecan: add calls to resync/dirty quota usages
Pecan: add calls to resync/dirty quota usages

Add calls to dirty and resync the quota engine during
DELETEs and GETs respectively. This matches the old API controller
behavior and will be covered when the unit tests are switched to
use pecan in [1].

1. I76dc23fb7b96d82b0da50285bd0aac76142e81e5

Closes-Bug: #1714389
Change-Id: I1fb6b471e0e7cbf9b10dd14233931be94af38a41

mahak/neutron,mahak/neutron,openstack/neutron,mahak/neutron,eayunstack/neutron,openstack/neutron,huntxu/neutron,eayunstack/neutron,noironetworks/neutron,noironetworks/neutron,openstack/neutron,huntxu/neutron