Add missing flag counts for quic_version_negotiation_rfc

I forgot to add those when I added the flag in cl/708402132.

Protected by FLAGS_quic_reloadable_flag_quic_version_negotiation_rfc.

PiperOrigin-RevId: 716210330

quiche/quic/core/crypto/transport_parameters.cc

diff --git a/quiche/quic/core/crypto/transport_parameters.cc b/quiche/quic/core/crypto/transport_parameters.cc
index f675fb6..7915ec5 100644
--- a/quiche/quic/core/crypto/transport_parameters.cc
+++ b/quiche/quic/core/crypto/transport_parameters.cc
@@ -1262,6 +1262,8 @@
         if (!GetQuicReloadableFlag(quic_version_negotiation_rfc)) {
           version_information_param_id =
               TransportParameters::kVersionInformationDraft;
+        } else {
+          QUIC_RELOADABLE_FLAG_COUNT_N(quic_version_negotiation_rfc, 1, 3);
         }
         if (!writer.WriteVarInt62(version_information_param_id) ||
             !writer.WriteVarInt62(
@@ -1581,6 +1583,7 @@
               std::string(value_reader.ReadRemainingPayload());
           break;
         }
+        QUIC_RELOADABLE_FLAG_COUNT_N(quic_version_negotiation_rfc, 2, 3);
         if (out->version_information.has_value()) {
           *error_details = "Received a second version_information";
           return false;
@@ -1602,6 +1605,7 @@
       } break;
       case TransportParameters::kVersionInformationDraft: {
         if (GetQuicReloadableFlag(quic_version_negotiation_rfc)) {
+          QUIC_RELOADABLE_FLAG_COUNT_N(quic_version_negotiation_rfc, 3, 3);
           // Treat this as an unknown parameter.
           if (out->custom_parameters.find(param_id) !=
               out->custom_parameters.end()) {