Mark some SVG tests as needing rebaseline after revert of r172545.

After the auto-rebaseline-fest and revert-fest, it seems that some
tests are still failing. Hopefully the ARB will have better luck
post-revert, since my garden-o-matic tab is crashing trying to look at
these.

TBR=enne
BUG=367201

Review URL: https://codereview.chromium.org/259983003

git-svn-id: svn://svn.chromium.org/blink/trunk@172710 bbb929c8-8fbe-4397-9dbb-9b2b20218538