Merge "Move DnsPacket to libs net" into rvc-dev am: 52032fa586 am: 0715560195

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11862407

Change-Id: I3f1edfe442f3408a19c9a901fb35bde8ef22950b
tree: 8ff5c5d0b52d1fe1d3a7f66f91a919afa90504d8
  1. Tethering/