Merge "Move DnsPacket to libs net" into rvc-dev am: 81f0fe48d2

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

Change-Id: I74cac5c415d8b3447b57cda7cba1caa215e84ea2
tree: 0af37e975e1652a54a4fb59d15bc0190bf779e71
  1. core/
  2. services/
  3. tests/