am f9fd437b: (-s ours) Merge "Refresh Valgrind to 3.8.1"

# Via Ben Cheng (1) and Gerrit Code Review (1)
* commit 'f9fd437b45be2a8cb4040bf21f451ed212c82cc4':
  Refresh Valgrind to 3.8.1
tree: 58b35e356c518131da7450105d85c65bd7b037ac
  1. main/
  2. unittest/
  3. Android.mk