gfe-relnote: In QUIC, add COPT to enable cwnd bootstrapping for different SPDY priorites. Protected by gfe2_reloadable_flag_quic_bootstrap_cwnd_by_spdy_priority.
PiperOrigin-RevId: 309298478
Change-Id: I759bfe7c389cd4b7dc0b74b0873bfae3145cb4f4
QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.