Will be used by a LUCI cron to move Gerrit changes for repos that are in
transition state #1 and #2.

R=ehmaldonado@chromium.org

Change-Id: Id7383ef677aa1cc90102c9a2aadbcc17712e150d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2522559
Commit-Queue: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>