Update expectation for handshake-error layout test

The console message for an invalid status line is different in the new
WebSocket implementation. Update the expectation for
handshake-error.html to match.

BUG=339373
TEST=http/tests/websocket/handshake-error.html

Review URL: https://codereview.chromium.org/213193012

git-svn-id: svn://svn.chromium.org/blink/trunk@170415 bbb929c8-8fbe-4397-9dbb-9b2b20218538