tree d2dab48c3793ffaa937df2cf357fdcd1a2554944
parent 923b6d2da8ba8d55e0b6b1c9ff9fb13a115f72d6
author fayang <fayang@google.com> 1585001174 -0700
committer Copybara-Service <copybara-worker@google.com> 1585001214 -0700

gfe-relnote: In QUIC, use QuicNetworkBlackholeDetector which detects both path degrading and network blackhole. Protected by gfe2_reloadable_flag_quic_use_blackhole_detector.

Path degrading is only armed after handshake completes. And blackhole detection now is based on time rather than event driven (i.e., 5RTO, 6PTO, etc)

PiperOrigin-RevId: 302526709
Change-Id: I43e776e18979d4f8ce4f26708107b4ef9356aa1a