MFYI Sheriff: Add suppressions for new bugs

Also remove some mesa-related suppressions as they haven't fired for quite a
while on the bots
TBR=oshima@chromium.org
BUG=80537,112278,115419,139998,181038,274193,347965,347967

Review URL: https://codereview.chromium.org/184583002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254097 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254097