The change updates the imports to use simplejson instead of ujson and
monasca_log_api.common.rest instead of monasca_common.rest
Temporarily set monascalog-python3-tempest as voting false
This is an alternative to this change
https://review.opendev.org/#/c/724658/
Change-Id: Iae94376b38cae8a1eb8aa6a704fc2ca5d383adaf
Story: 2007549
Task: 39601