[automerger] Merge "Update the QUIC packet format." into nougat-cts-dev am: f6a0cdcba6 am: 06fdc1fbef am: f46e9a77bb am: 6dc2bb4a4a am: 379881299d

Change-Id: I6a03ef57a97c84998e06c4b46f4cc7dbbdeda368
tree: 43751b5a7a1d776d795fabd276c13d5fe8c9f131
  1. tests/