net-virt-providers/OF13Provider requires the
org.opendaylight.ovsdb.openstack.netvirt package to be visible. Instead
of hard-coding the exported packages, allow the bundle plugin to decide
what to export.
Change-Id: Iac66eeaf70854712b9dc5917c748d519178968e5 Signed-off-by: Robert Varga <rovarga@cisco.com>