Disable *all* PluginTest(s) for Win64 build

These all pass locally, but they fail on the bot. I'm
disabling them all for now to get content_browsertests
on the waterfall and will renable them once we figure
out what's wrong with the bot.

BUG=180861
R=piman@chromium.org
TBR=piman@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16071003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@203083 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed