openstack-client doesn’t support the upload progress bar.

This patch shows progressbar when create image
if you added '--progress' option like a python-glanceclient.

like this.
[=============================>] 100%
+------------------+---------------------------+
| Field            | Value                     |
+------------------+---------------------------+
| container_format | bare                      |
| created_at       | 2020-09-06T20:44:40Z      |
...

How to use
Add the'--progress' option on the 'openstack image create' command.

Code was written by referring to 'python-glanceclient' project
on stable/ussuri branch

Change-Id: Ic3035b49da10b6555066eee607a14a5b73797c00
task: 40003
story: 2007777