Merge "Move DnsPacket to libs net" am: d295f3e4f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1348582

Change-Id: I9a5f1d701e5c8f7629df1dfcd0dab44e28945dfc
tree: 611bab2623815792887940266f6506f79d4d3f5e
  1. core/
  2. services/
  3. tests/