Move multisampling control from gpu blacklist to driver bug workaround list.

BUG=330785
TEST=bots

Review URL: https://codereview.chromium.org/135273002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251591 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251591