SVG text rebaselines for r163145

Updated test expectations fo svg text tests following r163145.

TBR=leviw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/107773002

git-svn-id: svn://svn.chromium.org/blink/trunk@163371 bbb929c8-8fbe-4397-9dbb-9b2b20218538