Refactoring std::chrono out.
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 9938fcf..4fa4382 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -35,9 +35,9 @@
 #include <memory>
 
 #include "test/core/util/test_config.h"
+#include "test/core/util/port.h"
 #include "test/cpp/util/echo_duplicate.pb.h"
 #include "test/cpp/util/echo.pb.h"
-#include "src/cpp/util/time.h"
 #include <grpc++/async_unary_call.h>
 #include <grpc++/channel_arguments.h>
 #include <grpc++/channel_interface.h>
@@ -50,7 +50,7 @@
 #include <grpc++/server_credentials.h>
 #include <grpc++/status.h>
 #include <grpc++/stream.h>
-#include "test/core/util/port.h"
+#include <grpc++/time.h>
 #include <gtest/gtest.h>
 
 #include <grpc/grpc.h>