Restore deps/third_party/valgrind to its state at r48920. This backs out
r48921, r48923, and r49047.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/2746004

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/valgrind/scripts@49172 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
4 files changed