Rebaseline compositing/images/direct-image-dynamic-clip-path.html

After issue 409435 fixes, both text and image baselines should be
better optimized across blink ports.

BUG=409435, 405803
TBR=dstockwell@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/691943003

git-svn-id: svn://svn.chromium.org/blink/trunk@185017 bbb929c8-8fbe-4397-9dbb-9b2b20218538