[owners] thomasanderson@ owns ui/events/x/

Bug: none
Change-Id: I52cf9bc1c2133ab6a8a58d891ae533a5c8037cb0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2276313
Auto-Submit: Sadrul Chowdhury <sadrul@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#784190}

ui/events/x/OWNERS

+thomasanderson@chromium.org
+
+# COMPONENT: UI>Input