Test suppression

virtual/antialiasedtext/fast/text/zero-font-size-2.html is crashing
because of a Skia roll in Chromium.

TBR=senorblanco
NOTRY=true
BUG=408858

Review URL: https://codereview.chromium.org/520483002

git-svn-id: svn://svn.chromium.org/blink/trunk@181065 bbb929c8-8fbe-4397-9dbb-9b2b20218538