Mark media/video-* tests for rebaseline after r243836.

BUG=332271
R=alph@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/131453002

git-svn-id: svn://svn.chromium.org/blink/trunk@164763 bbb929c8-8fbe-4397-9dbb-9b2b20218538