Add missing metadefs for Aggregate Filters

The below spec implemented in Juno added numerous properties
that can be added to Host Aggregates. The Metadata
Definitions catalog should include them.

https://github.com/openstack/nova-specs/blob/master/specs/juno/per-aggregate-filters.rst

Change-Id: Id37028b4b24ab5f6b0c4547a3c1af47bd76e61f6
Closes-bug: 1368032
Merge "Add missing metadefs for Aggregate Filters"