This patch adds the ability to configure the default "create volume"
value when launching an instance with Cinder enabled.
Co-Authored-By: Rob Cresswell <robert.cresswell@outlook.com>
Closes-Bug: 1678109
Change-Id: I272f7f1b20cc1276976c464a82d1776de92d17e7
(cherry picked from commit d734f482ec)