tree edde1b6405c2f946ba74c933a7733c2193f49514
parent e86ccfaa9de27c547866b2ba0881440b8b76387c
author Chih-Hung Hsieh <chh@google.com> 1505250545 -0700
committer Chih-Hung Hsieh <chh@google.com> 1506119101 -0700

Add OwnersValidator to check changed OWNERS.

* Checks OWNERS file syntax and email addresses used in OWNERS files.
  Emails should belong to accounts found on the Gerrit server.
* This check is disabled by default and enabled in project.config with
  "rejectErrorInOwners = true".

Change-Id: I2fe59bd622dd118d4c59bbf6a1fb574b3a58a896