Roll new ThreadSanitizer r2420 binaries for old platforms.

Review URL: http://codereview.chromium.org/3327006

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/valgrind@58334 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
5 files changed
tree: a12ddaafb3ad0739e1aefba1818f39f581566e48
  1. README.chromium
  2. binaries/
  3. scripts/