Update from chromium https://crrev.com/302282

net/quic/quic_packet_creator.h

Index: net/quic/quic_packet_creator.h
diff --git a/net/quic/quic_packet_creator.h b/net/quic/quic_packet_creator.h
index 55de99789100f69fde6b396322385c4e3111892a..1ca8b09114f59e73ed6ff5ed393d4b290d6100f6 100644
--- a/net/quic/quic_packet_creator.h
+++ b/net/quic/quic_packet_creator.h
@@ -200,6 +200,10 @@ class NET_EXPORT_PRIVATE QuicPacketCreator : public QuicFecBuilderInterface {
     return connection_id_length_;
   }
 
+  void set_connection_id_length(QuicConnectionIdLength length) {
+    connection_id_length_ = length;
+  }
+
   QuicSequenceNumberLength next_sequence_number_length() const {
     return next_sequence_number_length_;
   }