Move DnsPacket to libs/net

This class might be used by some mainline modules.
Cut the dependency between it and framework base classes.

Bug: 151052811
Test: atest DnsPacketTest
Test: atest DnsResolverTest
(clean cherry-pick from internal branch)
Merged-In: Id12aaedb6dd75144ca9b58b94bfcd845a1f16360
Change-Id: Id12aaedb6dd75144ca9b58b94bfcd845a1f16360
2 files changed
tree: 87373214cc06f2e98b7dfab9eea5a8e7ba9aee4c
  1. staticlibs/