Update Valgrind (-variant) to r118

I'm going to commit this over the weekend so the waterfall is not broken on PDT Friday

TBR=glider
TEST=waterfall stays sane
Review URL: http://codereview.chromium.org/8414023

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/valgrind/scripts@107875 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
2 files changed