Use longer QUIC flag names to be more consistent with the internal names.

BUG=

Review-Url: https://codereview.chromium.org/2597223002
Cr-Commit-Position: refs/heads/master@{#440541}
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index 2046051f..c0bb8914 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -427,9 +427,10 @@
 TestQuicSpdyServerSession::CreateQuicCryptoServerStream(
     const QuicCryptoServerConfig* crypto_config,
     QuicCompressedCertsCache* compressed_certs_cache) {
-  return new QuicCryptoServerStream(crypto_config, compressed_certs_cache,
-                                    FLAGS_enable_quic_stateless_reject_support,
-                                    this, &helper_);
+  return new QuicCryptoServerStream(
+      crypto_config, compressed_certs_cache,
+      FLAGS_quic_reloadable_flag_enable_quic_stateless_reject_support, this,
+      &helper_);
 }
 
 QuicCryptoServerStream* TestQuicSpdyServerSession::GetCryptoStream() {