Use MockDBusThreadManagerWithoutGMock for GetUpdateStatusApiTest

chromeos/dbus/fake_update_engine_client.cc

Index: chromeos/dbus/fake_update_engine_client.cc
diff --git a/chromeos/dbus/fake_update_engine_client.cc b/chromeos/dbus/fake_update_engine_client.cc
index 36618f88e3398fd6df906a7ce194c9c7c14b873c..40a9993b84cfde6864670629327bc6a3af3a11a5 100644
--- a/chromeos/dbus/fake_update_engine_client.cc
+++ b/chromeos/dbus/fake_update_engine_client.cc
@@ -40,8 +40,13 @@ void FakeUpdateEngineClient::GetReleaseTrack(
     const GetReleaseTrackCallback& callback) {
 }
 
-FakeUpdateEngineClient::Status FakeUpdateEngineClient::GetLastStatus() {
-  return update_engine_client_status_;
+UpdateEngineClient::Status FakeUpdateEngineClient::GetLastStatus() {
+  if (status_queue_.empty())
+    return update_engine_client_status_;
+
+  UpdateEngineClient::Status last_status = status_queue_.front();
+  status_queue_.pop();
+  return last_status;
 }
 
 void FakeUpdateEngineClient::set_update_engine_client_status(