gfe-relnote: In QUIC, call NeuterHandshakePackets() at most once per connection. Protected by gfe2_reloadable_flag_quic_neuter_handshake_packets_once2 which replaces gfe2_reloadable_flag_quic_neuter_handshake_packets_once.

Also fix the bug where RTO and PTO try to retransmit not in flight packets.

PiperOrigin-RevId: 279118870
Change-Id: I1235372277109c18fded6c8d162a2147424d3dbd
diff --git a/quic/core/frames/quic_stream_frame.h b/quic/core/frames/quic_stream_frame.h
index 5e7439d..5c5323b 100644
--- a/quic/core/frames/quic_stream_frame.h
+++ b/quic/core/frames/quic_stream_frame.h
@@ -33,6 +33,8 @@
 
   bool operator==(const QuicStreamFrame& rhs) const;
 
+  bool operator!=(const QuicStreamFrame& rhs) const;
+
   bool fin;
   QuicPacketLength data_length;
   QuicStreamId stream_id;