Merge "Move DnsPacket to libs net" into rvc-dev am: 52032fa586 am: 0715560195 am: c0cd967d5d

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

Change-Id: If3773200c63930e21cab018b3322c3dda42ba6f9
tree: 8ff5c5d0b52d1fe1d3a7f66f91a919afa90504d8
  1. Tethering/