Fix tag filtering in downstream driver
Fix tag filtering in downstream driver

Due to a bug in the patch it was based on, we were still using a
missing "rdoinfo" object in the call to filter_pkgs, instead of
distroinfo.query.

Change-Id: I26f285ab20fcaea565c96715abd553c76e6c9af1

openstack-packages/delorean,openstack-packages/DLRN,openstack-packages/DLRN,openstack-packages/delorean