Updated openstack/openstack
Project: openstack/python-novaclient  a2a1ef8f36644c3487bdaf00b2e70bcc6b948fb4
null
'name' should as be optional param on aggregate-update

'name' should be an optional parameter not required on aggregate-update,
so we can update 'availability_zone' only.

Change-Id: I23e669a3362e0bea44adc88744eed823ec1e7ebb
Closes-Bug: #1280118