Squashed 'chef-repo/cookbooks/libvpx/' content from commit d127e38

git-subtree-dir: chef-repo/cookbooks/libvpx
git-subtree-split: d127e3819200498cf55dc3c225943ed3b3cfd7e5
Merge commit 'e3aec45334041a7e62b61e741b228446347544fe' as 'chef-repo/cookbooks/libvpx'