Merge "Merge "Merge "Update the QUIC packet format." into nougat-cts-dev am: dc32082809" into nougat-mr1-cts-dev am: 47359da769" into oreo-cts-dev am: 0fb328e310

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

Change-Id: I55d39f866717823fa0ddb4cc6eaef5bafe6b5a44