[automerger] Merge "Update the QUIC packet format." into nougat-cts-dev am: f6a0cdcba6 am: 06fdc1fbef am: f46e9a77bb am: 6dc2bb4a4a am: 379881299d am: 6e1d6f8c23 am: fed295dc04

Original change: https://android-review.googlesource.com/c/platform/cts/+/1457991

Change-Id: I66b60fcbc34d87cb32055082f95fe86a887cac0c
tree: 4de9780666848d765edfbd80e3f1daa9dd5fa6f3
  1. tests/