Add skobes as core OWNER
Add skobes as core OWNER

Add Steve Kobes (skobes) as core OWNER following successful nomination.

R=pdr@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/1218743007

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@198328 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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