Add another TSan v2 suppression for races in vp8 (issue 158718)

BUG=158718
TBR=timurrrr
Review URL: https://codereview.chromium.org/11474060

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@172063 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed