Add quic_simplify_stop_waiting to QuicVersionInitializeSupportForIetfDraft
Add quic_simplify_stop_waiting to QuicVersionInitializeSupportForIetfDraft

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 249610062
Change-Id: Iac0d3abd6491de90142d02561ef6d845d5a6de37

google/quiche,google/quiche,google/quiche,google/quiche