Add scripts for building the net tests rootfs. am: 2d99985d80
am: 19ce6ce997

Change-Id: I3833961438d94d622276937f297f53cf36c08bdd
tree: 2e6dccf86653110896533e5be0cc8aa3425a9b89
  1. devicetree/
  2. net/
  3. Android.bp