Replace Project Owners with gob-breakglass. Owner does not inherit from All-Projects so these rules never worked. Bug: b/273251993 Change-Id: I9a482de28a85829fe9f438ca496f1e3a8f8d93d6 Reviewed-on: https://dart-review.googlesource.com/c/All-Projects/+/288563 Reviewed-by: William Hesse <whesse@google.com>