Add flags to python test server for channel id, extended master secret, and token binding

net/test/spawned_test_server/base_test_server.h

Index: net/test/spawned_test_server/base_test_server.h
diff --git a/net/test/spawned_test_server/base_test_server.h b/net/test/spawned_test_server/base_test_server.h
index 8204dc1ae3c0b3e7042148084871385627a872ab..5a5cc82af1b09ffcd7df693550f1ec11785f8661 100644
--- a/net/test/spawned_test_server/base_test_server.h
+++ b/net/test/spawned_test_server/base_test_server.h
@@ -223,6 +223,15 @@ class BaseTestServer {
 
     // Whether to send a fatal alert immediately after completing the handshake.
     bool alert_after_handshake;
+
+    // If true, disables channel ID on the server.
+    bool disable_channel_id;
+
+    // If true, disables extended master secret tls extension.
+    bool disable_extended_master_secret;
+
+    // List of token binding params that the server supports and will negotiate.
+    std::vector<int> supported_token_binding_params;
   };
 
   // Pass as the 'host' parameter during construction to server on 127.0.0.1