Add check-grenade-dsvm-neutron-icehouse to bug 1307344 query

Bug 1307344 is also showing up in the
check-grenade-dsvm-neutron-icehouse job so add it to the query.

It's currently reported as an 'unrecognized error', like in this patch:

https://review.openstack.org/#/c/80923

Related-Bug: #1307344

Change-Id: I14e7b22fc68ae5cfb118e6e73376c5775ba3d181
Merge "Add check-grenade-dsvm-neutron-icehouse to bug 1307344 query"