Update my list of email addresses in contributors.json
https://bugs.webkit.org/show_bug.cgi?id=136424

Reviewed by Gyuyoung Kim.

* Scripts/webkitpy/common/config/contributors.json:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@173157 268f45cc-cd09-0410-ab3c-d52691b4dbfc