Commander: fix up OWNERs files

Bug: 1014639
Change-Id: I27a3ca26e027fc4059285de2462edc25c400d399
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2537144
Auto-Submit: Leonard Grey <lgrey@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#827988}

chrome/browser/resources/commander/OWNERS

-lgrey@chromium.org
-ellyjones@chromium.org
-
-# COMPONENT: UI>Browser
+file://chrome/browser/ui/commander/OWNERS

chrome/browser/ui/commander/OWNERS

+lgrey@chromium.org
+ellyjones@chromium.org
+
+# COMPONENT: UI>Browser

chrome/browser/ui/webui/commander/OWNERS

-lgrey@chromium.org
-ellyjones@chromium.org
-
-# COMPONENT: UI>Browser
+file://chrome/browser/ui/commander/OWNERS

chrome/test/data/webui/commander/OWNERS

-file://chrome/browser/ui/webui/commander/OWNERS
+file://chrome/browser/ui/commander/OWNERS