Add timloh to core OWNERS
Add timloh to core OWNERS

As discussed on blink-core-owners-discuss.

Review URL: https://codereview.chromium.org/264833002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@173069 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