Media App: Add an owner to chromeos/components/media_app_ui/OWNERS.

Change-Id: Ie9af12d8acd48f0de80e621db4954651ff8e4d88
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2607249
Auto-Submit: Patti <patricialor@chromium.org>
Reviewed-by: Zain Afzal <zafzal@google.com>
Commit-Queue: Zain Afzal <zafzal@google.com>
Cr-Commit-Position: refs/heads/master@{#839842}

chromeos/components/media_app_ui/OWNERS

@@ -3,6 +3,7 @@ dstockwell@google.com
 bugsnash@chromium.org
 patricialor@chromium.org
 dlei@google.com
+zafzal@google.com
 
 per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS