Merge "Use IpUtils, NetworkStackConstants in DadProxyTest" am: 80794b2476

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

Change-Id: I2e8d55b7984bccbd5959b7b00fa8c8b24acdb67c
tree: cfd660e5cc19482470ae62a41ab6c1ebac0a3f7a
  1. Tethering/