Add TRANSPORT_TEST to test ethernet interfaces am: cb7b6847e0 am: 67c1ef1f1f am: 7130b65fe2

Change-Id: I3748584123536499c93ae753cc9d91f1743d9ac0
tree: bc666a6fa941674b31e19493cbeb04b3063d5330
  1. java/
  2. tests/
  3. .gitignore
  4. Android.bp