[Autofill] Promote schwering@google.com to Autofill components owner.

Change-Id: I7cdeead924974d382c09c9e2072473186200e98e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2421666
Auto-Submit: Matthias Körber <koerber@google.com>
Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Dominic Battré <battre@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809298}

components/autofill/OWNERS

@@ -4,6 +4,7 @@ dvadym@chromium.org
 estade@chromium.org
 ftirelo@chromium.org
 koerber@google.com
+schwering@google.com
 kolos@chromium.org
 mahmadi@chromium.org
 rogerm@chromium.org