Updated openstack/openstack
Project: openstack/nova  e19b294737030900ac5f2ba9cfb289b11020d369
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Make compute manager use InstanceInfoCache object for deletes

This patch makes compute manager use the InstanceInfoCache object
that is already in the instance to delete the cache while deleting
the instance.

It also fixes two tests that were still passing non-object
instance dicts to the method, which wasn't reflective of reality.

Related to blueprint compute-manager-objects

Change-Id: I829bd2d3828c01c18f3479375bea22e7f4be9d97