Add kinuko to Core OWNERS file
Add kinuko to Core OWNERS file

As discussed via email.

NOTRY=1

Review URL: https://codereview.chromium.org/31073002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@160029 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs