am a3d7e618: Add an API to check availability of Ethernet interface.

* commit 'a3d7e61812f8d68ca109280c4e7589e4f968723a':
  Add an API to check availability of Ethernet interface.
tree: 3fe922ec1d51dfa6d2151b376585a27623b5f8bf
  1. java/
  2. Android.mk