Merge "Use IpUtils, NetworkStackConstants in DadProxyTest" am: 80794b2476 am: d7b3661334 am: 371642a328 am: 0c083c9e2d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1440214

Change-Id: I4a078231e0145973c413f8dcb127275987eec8de
tree: 7e9fcc807064389f3164bc938e6694339eddc9d3
  1. Tethering/