More suppressions for TSan v2:
 -- suppress more races on command line switches, include former suppressions from issue 268946 (issue 334140)

BUG=268946,334140
TBR=satorux@chromium.org

Review URL: https://codereview.chromium.org/143103003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246004 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246004