Add server-side support for Signed Certificate Timestamps.

Change-Id: Ifa44fef160fc9d67771eed165f8fc277f28a0222
Reviewed-on: https://boringssl-review.googlesource.com/5840
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/test_config.cc b/ssl/test/test_config.cc
index ad14ed3..fe6dc93 100644
--- a/ssl/test/test_config.cc
+++ b/ssl/test/test_config.cc
@@ -128,6 +128,7 @@
   { "-expect-signed-cert-timestamps",
     &TestConfig::expected_signed_cert_timestamps },
   { "-ocsp-response", &TestConfig::ocsp_response },
+  { "-signed-cert-timestamps", &TestConfig::signed_cert_timestamps },
 };
 
 const Flag<int> kIntFlags[] = {