am fff3d3c3: merge from open-source master

Merge commit 'fff3d3c3e4db8b6164380e6a2e54f57b30444174'

* commit 'fff3d3c3e4db8b6164380e6a2e54f57b30444174':
tree: 1203d35064b345bcb30c2df9caf71c8042fb2b7e
  1. lib/
  2. sta_dk_4_0_4_32/
  3. wilink_6_1/
  4. .gitignore
  5. Android.mk