Mark several svg/dynamic-updates tests for rebaseline on XP

The previous rebaseline in 164857[1] seems to have missed these.

[1] http://src.chromium.org/viewvc/blink?view=rev&revision=164857

R=pdr@chromium.org
NOTRY=true
BUG=308818

Review URL: https://codereview.chromium.org/136123002

git-svn-id: svn://svn.chromium.org/blink/trunk@164945 bbb929c8-8fbe-4397-9dbb-9b2b20218538