Allow quic_toy_server to only use IETF QUIC

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 268771484
Change-Id: I0546c2758165c4f16e7b2a3cda008e34643fdb04
diff --git a/quic/tools/quic_server.cc b/quic/tools/quic_server.cc
index 46b04a5..294dbc5 100644
--- a/quic/tools/quic_server.cc
+++ b/quic/tools/quic_server.cc
@@ -51,9 +51,16 @@
 QuicServer::QuicServer(std::unique_ptr<ProofSource> proof_source,
                        QuicSimpleServerBackend* quic_simple_server_backend)
     : QuicServer(std::move(proof_source),
+                 quic_simple_server_backend,
+                 AllSupportedVersions()) {}
+
+QuicServer::QuicServer(std::unique_ptr<ProofSource> proof_source,
+                       QuicSimpleServerBackend* quic_simple_server_backend,
+                       const ParsedQuicVersionVector& supported_versions)
+    : QuicServer(std::move(proof_source),
                  QuicConfig(),
                  QuicCryptoServerConfig::ConfigOptions(),
-                 AllSupportedVersions(),
+                 supported_versions,
                  quic_simple_server_backend,
                  kQuicDefaultConnectionIdLength) {}