Attempt to rebaseline media/audio-repaint.html and run it everywhere again.

BUG=257325
TEST=none
TBR=haraken

Review URL: https://codereview.chromium.org/414613004

git-svn-id: svn://svn.chromium.org/blink/trunk@178718 bbb929c8-8fbe-4397-9dbb-9b2b20218538