This reverts commit 64d94deaa6.
Reason for revert: tentative revert for https://crbug.com/1166467
Original change's description:
> presubmit: Use new API to check for owners approval
>
> It also allows us to improve unit tests.
>
> Change-Id: I356a2fddcbcc5af0e628f79ede1ba277008f5cde
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2612222
> Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
> Reviewed-by: Josip Sokcevic <sokcevic@google.com>
> Reviewed-by: Gavin Mak <gavinmak@google.com>
> Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
TBR=ehmaldonado@chromium.org,gavinmak@google.com,infra-scoped@luci-project-accounts.iam.gserviceaccount.com,sokcevic@google.com
Bug: 1166467
Change-Id: I1df97f8fdbc56942fdcc7bafffed517e24a9481d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2628574
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
