[DO NOT MERGE] Make TCMS multi-user-aware

Bug: 74392619
Fixes: 72481438
Test: presubmit
Change-Id: I1a04fe59216ac94ade8db0c2f56b83ca648db1e7
(cherry picked from commit 835c8b3962854a70b977bb7dbfe240321f8daebd)
2 files changed