Following a similar fix to pip-and-virtualenv element in
Ia730850a48e2478fd5461710a9d2619408725cd8, python-brickclient is also
required to be fixed to handle python3 only systems.
Change-Id: I442469beb5a20074425e7059eec7f78604d6cc5a
This element adds python-brick-cinderclient-ext to the make customized image
to support cinder local attach/detach functionality. Currently it has the
dependency on known bug<https://launchpad.net/bugs/1623549>, which would be
resolved with next release of python-brick-cinderclient-ext.
Change-Id: Idfe83bafa2843c781c18b83f1a3aece3ae852f78