Add 'android/commons/' from commit '2f13cb5b5bc54ff5a3217c9d19b150b45363dc8f'

git-subtree-dir: android/commons
git-subtree-mainline: d1937cbcfb25c713a7c39feeed41aa86724273d8
git-subtree-split: 2f13cb5b5bc54ff5a3217c9d19b150b45363dc8f
tree: 78c66dd5973f7463688771fb95cfd66189fd4543
  1. android/
  2. README.md
README.md