Add Erik Arvidsson to OWNERS
Add Erik Arvidsson to OWNERS

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/886463005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#26312}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh