Ignore C++ warnings in auto-generated proto headers

This CL fixes the macOS build issues.

gfe-relnote: n/a, refactoring headers, not protected

PiperOrigin-RevId: 254480126
Change-Id: I22be854c33992b71fd42735a10788dea272370d6
diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 44b204a..a5ed79c 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -19,7 +19,7 @@
 #include "net/third_party/quiche/src/quic/core/crypto/crypto_utils.h"
 #include "net/third_party/quiche/src/quic/core/crypto/quic_decrypter.h"
 #include "net/third_party/quiche/src/quic/core/crypto/quic_encrypter.h"
-#include "net/third_party/quiche/src/quic/core/proto/cached_network_parameters.pb.h"
+#include "net/third_party/quiche/src/quic/core/proto/cached_network_parameters_proto.h"
 #include "net/third_party/quiche/src/quic/core/quic_bandwidth.h"
 #include "net/third_party/quiche/src/quic/core/quic_config.h"
 #include "net/third_party/quiche/src/quic/core/quic_connection_id.h"