tree fbbff6a26c81d4237405d58b18346a2a1974bce1
parent a79509056afbe91f91f8666c2dc4796f3e905f8e
author bnc <bnc@google.com> 1579660574 -0800
committer Copybara-Service <copybara-worker@google.com> 1579660626 -0800

Read and interpret PRIORITY_UPDATE frame.

gfe-relnote: n/a, change to QUIC v99-only code.  Protected by existing disabled gfe2_reloadable_flag_quic_enable_version_99.
PiperOrigin-RevId: 290869051
Change-Id: Ie5c016bd4254bffad7910d248e483976a249a27d