GitLab

Remove billorr@ from OWNERS as they are no longer on the team/reviewing
code.

Added self to OWNERS of third_party directories as appropriate.

Change-Id: Icdfe38d098c9f7f2037ccb0836991f790a9d8b04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730523
Commit-Queue: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Bill Orr <billorr@chromium.org>
Auto-Submit: Alexander Cooper <alcooper@chromium.org>
Reviewed-by: Bill Orr <billorr@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Reviewed-by: Klaus Weidner <klausw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683251}