AOT: Add missing native entry points for secure sockets.

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index c5afc0bfe2a70f5205572c409fe555f0bb073c62..fe0c8ede3b826895696d248ec1a1c52e2327ef20 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -1561,9 +1561,14 @@ bool RunMainIsolate(const char* script_name,
         { "dart:io", "TlsException", "TlsException." },
         { "dart:io", "X509Certificate", "X509Certificate._" },
         { "dart:io", "_ExternalBuffer", "set:data" },
+        { "dart:io", "_ExternalBuffer", "get:start" },
+        { "dart:io", "_ExternalBuffer", "set:start" },
+        { "dart:io", "_ExternalBuffer", "get:end" },
+        { "dart:io", "_ExternalBuffer", "set:end" },
         { "dart:io", "_Platform", "set:_nativeScript" },
         { "dart:io", "_ProcessStartStatus", "set:_errorCode" },
         { "dart:io", "_ProcessStartStatus", "set:_errorMessage" },
+        { "dart:io", "_SecureFilterImpl", "get:buffers" },
         { "dart:io", "_SecureFilterImpl", "get:ENCRYPTED_SIZE" },
         { "dart:io", "_SecureFilterImpl", "get:SIZE" },
         { "dart:vmservice_io", "::", "main" },