Allow kwargs in _log_console_output
Allow kwargs in _log_console_output

As a part of the scenario/manager.py stabilization tracked by
the below BP the patch adds kwargs argument for _log_console_output
method so that the consumers are able to pass additional
parameters if needed.

Change-Id: I056e9f9b8ec757313f9cff2695186edd0984ba5b
Implements: blueprint tempest-scenario-manager-stable

openstack/tempest,openstack/tempest