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

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

Change-Id: I74cac5c415d8b3447b57cda7cba1caa215e84ea2
tree: c0160d70d392f92a12c095603df1769693a7f77a
  1. Tethering/