Put known answers to query packets

To support known-answer suppression, the querier should include
its known answers within each query packet. This allows the
service to determine whether a response is necessary based on
the querier's existing knowledge.

Bug: 312657709
Test: atest FrameworksNetTests NsdManagerTest
Change-Id: I2fb421aff1ae150b310e1a44f50f098a3edb9992
7 files changed