Demotes a WARNING log to VLOG(1).

PiperOrigin-RevId: 316981593
Change-Id: If067fe33d53d74b1ab0104a9455f51d626d1979d

quic/core/tls_server_handshaker.cc

diff --git a/quic/core/tls_server_handshaker.cc b/quic/core/tls_server_handshaker.cc
index 84ad6e1..69b5237 100644
--- a/quic/core/tls_server_handshaker.cc
+++ b/quic/core/tls_server_handshaker.cc
@@ -244,8 +244,8 @@
       should_close = true;
   }
   if (should_close && state_ != STATE_CONNECTION_CLOSED) {
-    QUIC_LOG(WARNING) << "SSL_do_handshake failed; SSL_get_error returns "
-                      << ssl_error << ", state_ = " << state_;
+    QUIC_VLOG(1) << "SSL_do_handshake failed; SSL_get_error returns "
+                 << ssl_error << ", state_ = " << state_;
     ERR_print_errors_fp(stderr);
     CloseConnection(QUIC_HANDSHAKE_FAILED,
                     "Server observed TLS handshake failure");