Sync AUTHORS file format with Chromium's.

- Add comment to keep entries sorted.
- Add comment for the individuals and organizations sections.
- Add an organization entry for all individual chromium.org entries.

Change-Id: Iee56a8d23b2537f512240873882282e62752fe01
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/69998
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/AUTHORS b/AUTHORS
index 97e7801..02fab7d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -7,48 +7,30 @@
 #   Organization <fnmatch pattern>
 #
 # See python fnmatch module documentation for more information.
+#
+# Please keep the list sorted.
 
-Andrey Khalyavin <halyavin@chromium.org>
+# BEGIN individuals section.
 Antonio Gomes <tonikitoo@igalia.com>
-Brett Wilson <brettw@chromium.org>
-Bruce Dawson <brucedawson@chromium.org>
 Chery Cherian <cherycherian@gmail.com>
 Claudio DeSouza <claudiomdsjr@gmail.com>
-Chris Palmer <palmer@chromium.org>
-Dan Sinclair <dsinclair@chromium.org>
 Felix Kauselmann <licorn@gmail.com>
-Finnur Thorarinsson <finnur@chromium.org>
 GiWan Go <gogil@stealien.com>
-Henrique Nakashima <hnakashima@chromium.org>
 Huy Ngo <huyna89@gmail.com>
 Jiang Jiang <jiangj@opera.com>
-Jochen Eisinger <jochen@chromium.org>
-John Abd-El-Malek <jam@chromium.org>
-Julien Tinnes <jln@chromium.org>
 Ke Liu <stackexploit@gmail.com>
-Kostya Serebryany <kcc@chromium.org>
-Lei Zhang <thestig@chromium.org>
-Lucas Nihlen <luken@chromium.org>
 Luật Nguyễn <manhluat93.php@gmail.com>
-Matt Giuca <mgiuca@chromium.org>
 Michael Doppler <m.doppler@gmail.com>
 Miklos Vajna <vmiklos@vmiklos.hu>
 Minh Trần <myoki.crystal@gmail.com>
-Nico Weber <thakis@chromium.org>
-Nicolás Peña <npm@chromium.org>
-Peter Kasting <pkasting@chromium.org>
 Ralf Sippl <ralf.sippl@gmail.com>
-Raymes Khoury <raymes@chromium.org>
-Reid Kleckner <rnk@chromium.org>
-Ryan Harrison <rharrison@chromium.org>
 Ryan Wiley <wileyrr@gmail.com>
-Robert Sesek <rsesek@chromium.org>
-Sam Clegg <sbc@chromium.org>
-Thomas Sepez <tsepez@chromium.org>
 Tibor Dusnoki <tdusnoki@inf.u-szeged.hu>
 Wang Qing <wangqing-hf@loongson.cn>
 Zhuo Qingliang <zhuo.dev@gmail.com>
+# END individuals section.
 
+# BEGIN organizations section.
 Collabora Ltd. <*@collabora.co.uk>
 DocsCorp Pty Ltd. <*@docscorp.com>
 Dropbox <*@dropbox.com>
@@ -58,3 +40,5 @@
 Loongson Technology Corporation Limited. <*@loongson.cn>
 Microsoft <*@microsoft.com>
 PSPDFKit GmbH <*@pspdfkit.com>
+The Chromium Authors <*@chromium.org>
+# END organizations section.