[mrrr] Fix log ordering
`gitiles.Log()` returns logs in reverse chronological order. This was
causing rollers to roll commits in the wrong order when rolling multiple
commits in one repository, for example the stack of changes at
http://tqr/994252.
Bug: 418290894
Change-Id: Iff7533a1117d0d2548e428059ff3cb08454086ab
Reviewed-on: https://fuchsia-review.googlesource.com/c/infra/infra/+/1283364
Reviewed-by: Jiaming Li <lijiaming@google.com>
Fuchsia-Auto-Submit: Oliver Newman <olivernewman@google.com>
Commit-Queue: Auto-Submit <auto-submit-builder@fuchsia-internal-service-accts.iam.gserviceaccount.com>
2 files changed
