* stable-2.12:
ChangeIT: Assert that submitting a change doesn't remove non-voting reviewers
Instead of deleting patch-set-approval set vote to zero
ChangeIT#commitFooters: Fix setup of test labels
CreateChangeIT: Fix flaky test
Add a testing method to set the clock step used by TimeUtil
Update issue tracker URL in documentation
Update issue tracker URL in POM files
Change-Id: I991be7faf90cd37a8d664a0c951fea4c14f94492
d633834772