Make files app team owners of the zip archiver component extension.

BUG=None

Change-Id: I6e53fd84f1897d2ce5d783b82bd0ce9b88a6bf01
Reviewed-on: https://chromium-review.googlesource.com/1248069Reviewed-by: Tatsuhisa Yamaguchi <yamaguchi@chromium.org>
Reviewed-by: Yuki Awano <yawano@chromium.org>
Commit-Queue: Anand Mistry <amistry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594588}

chrome/browser/resources/chromeos/zip_archiver/OWNERS

-yamaguchi@chromium.org
-yawano@chromium.org
+file://ui/file_manager/OWNERS