Return shared_ptr by value plus minor dependency fix
diff --git a/test/cpp/util/benchmark_config.h b/test/cpp/util/benchmark_config.h
index 3a3a6d6..9e98dc3 100644
--- a/test/cpp/util/benchmark_config.h
+++ b/test/cpp/util/benchmark_config.h
@@ -49,7 +49,7 @@
* The returned instane will take care of generating reports for all the actual
* reporters configured via the "enable_*_reporter" command line flags (see
* benchmark_config.cc). */
-const std::shared_ptr<Reporter>& GetReporter();
+std::shared_ptr<Reporter> GetReporter();
} // namespace testing
} // namespace grpc