Problems interpreting OWNERS files have been fixed upstream.

Bug: 1183447
Change-Id: Ifd065d87b4244fc3ce2f27291b603acfedbb5d39
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2753447
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Edwin Kempin <ekempin@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Reviewed-by: Josip Sokcevic <sokcevic@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>