[LayoutNG] Rebaseline test expectations after color space changes.

https://chromium-review.googlesource.com/c/chromium/src/+/1372894 made
some invisible (to the naked eye) rebaselining to some test
expectations, but not for LayoutNG.

TBR=kojii@chromium.org

Bug: 758057, 8510131, 809835, 863103, 884170, 795132
Change-Id: Ie6b626c66c0930b1c8c00b7b01a0f01ddd06dada
Reviewed-on: https://chromium-review.googlesource.com/c/1379953
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#617089}
4 files changed