Rebaseline some compositing tests. Some were affected by the colorspace of

Rebaseline some compositing tests. Some were affected by the colorspace of
the sample image changing.

* compositing/images/direct-pdf-image-expected.png:
* compositing/repaint/newly-composited-repaint-rect-expected.png:
* compositing/visibility/visibility-image-layers-expected.png:
* compositing/visibility/visibility-simple-video-layer-expected.png:
* platform/mac/compositing/reflections/reflection-in-composited-expected.png:
* platform/mac/compositing/reflections/simple-composited-reflections-expected.png:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@114182 268f45cc-cd09-0410-ab3c-d52691b4dbfc