Migrate frameworks/opt/net/ethernet to androidx.test
am: f83c1e79ca

Change-Id: Ibd005ade7b4aa33335f81ac5386d6cffca8bc0cf
tree: 1025aee33d33052870e7dc66b34d50306d63363a
  1. java/
  2. tests/
  3. Android.bp