This adds hostname, array of addresses, total count of IP addresses
and uid to the existing pipeline.
Currently ignores the new data it receives, further work will be
done in the subsequent CLs.
Test: for now just the benchmarking, in the future unit and CTS
Bug: 29748723
(cherry picked from commit 33fa018898)
Change-Id: I3941b8d6fc1dd578e2af6ed4d3c3d0a722c39918