PRESUBMIT: Add authorized-authors check + AUTHORS e-mails.

This check will throw a PRESUBMIT error if the author or
organization is not present in the AUTHORS file.

E-mail wildcard entries were also added to the organizations
in the AUTHORS file.

BUG=webrtc:6852
NOTRY=True

Review-Url: https://codereview.webrtc.org/2564613002
Cr-Commit-Position: refs/heads/master@{#15591}
diff --git a/AUTHORS b/AUTHORS
index bd7d39f..37c19d5 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -41,17 +41,19 @@
 Vicken Simonian <vsimon@gmail.com>
 Victor Costan <costan@gmail.com>
 
-&yet LLC
-Agora IO
-ARM Holdings
-BroadSoft Inc.
-Google Inc.
-Intel Corporation
-MIPS Technologies
-Mozilla Foundation
-Opera Software ASA
-Sinch AB
-struktur AG
-Telenor Digital AS
-Temasys Communications
-Vonage Holdings Corp.
+&yet LLC <*@andyet.com>
+Agora IO <*@agora.io>
+ARM Holdings <*@arm.com>
+BroadSoft Inc. <*@broadsoft.com>
+Google Inc. <*@google.com>
+Intel Corporation <*@intel.com>
+MIPS Technologies <*@mips.com>
+Mozilla Foundation <*@mozilla.com>
+Opera Software ASA <*@opera.com>
+Sinch AB <*@sinch.com>
+struktur AG <*@struktur.de>
+Telenor Digital AS <*@telenor.com>
+Temasys Communications <*@temasys.io>
+The Chromium Authors <*@chromium.org>
+The WebRTC Authors <*@webrtc.org>
+Vonage Holdings Corp. <*@vonage.com>