Disabled timing out perf test.

BUG=385313
TBR=bokan@chromium.org
NOTRY=True

Review URL: https://codereview.chromium.org/338373006

git-svn-id: svn://svn.chromium.org/blink/trunk@176467 bbb929c8-8fbe-4397-9dbb-9b2b20218538