Make Neutron DVR job run on the full tempest suite

The job is still non-voting for now. This change is done
as an effort aimed at shaking the last remaining issues
before turning this job into a voting one.

Change-Id: I0cbf4ad64776fdbee35750c74f671d3e0f52c611
Merge "Make Neutron DVR job run on the full tempest suite"