[AF] Add ftirelo@ and mahmadi@ as Autofill OWNERS.

Change-Id: I48f30252eb920a4e9a89291a79e1ff612cb72595
Reviewed-on: https://chromium-review.googlesource.com/1220566Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590455}

chrome/browser/autofill/OWNERS

-estade@chromium.org
-mathp@chromium.org
-rogerm@chromium.org
-sebsg@chromium.org
-vabr@chromium.org
+ file://components/autofill/OWNERS
 
 # COMPONENT: UI>Browser>Autofill

components/autofill/OWNERS

 dvadym@chromium.org
 estade@chromium.org
+ftirelo@chromium.org
+mahmadi@chromium.org
 mathp@chromium.org
 rogerm@chromium.org
 sebsg@chromium.org