gfe-relnote: Use IETF loss detection for T099. Not used in prod, not protected.

PiperOrigin-RevId: 269891154
Change-Id: Ic65bba9709fde1dfa6c310ae65c1d31af6401b4b
diff --git a/quic/core/quic_sent_packet_manager.h b/quic/core/quic_sent_packet_manager.h
index 0199648..352ca31 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -419,7 +419,8 @@
   void AdjustPendingTimerTransmissions();
 
   // Called to disable HANDSHAKE_MODE, and only PTO and LOSS modes are used.
-  void DisableHandshakeMode();
+  // Also enable IETF loss detection.
+  void EnableIetfPtoAndLossDetection();
 
   bool supports_multiple_packet_number_spaces() const {
     return unacked_packets_.supports_multiple_packet_number_spaces();