Gardening: svg/animations/repeatn-event-1c.svg

It fails on platforms other than debug from time to time

BUG=352377
TEST=
TBR=zmo@chromium.org

Review URL: https://codereview.chromium.org/204023003

git-svn-id: svn://svn.chromium.org/blink/trunk@169482 bbb929c8-8fbe-4397-9dbb-9b2b20218538