xAODTriggerAthenaPool: Add proper pool coverters fro xAODTrigCompositeContainer.

Needed to fix test failures in TrigUpgradeTest.

Event/xAOD/xAODTriggerAthenaPool/src/xAODTrigCompositeAuxContainerCnv.cxx

+/*
+ * Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration.
+ */
+/**
+ * @file xAODTriggerAthenaPool/xAODTrigCompositeAuxContainer.h
+ * @author scott snyder <snyder@bnl.gov>
+ * @date Dec, 2018
+ * @brief Dummy source file so that cmake will know this is a custom converter.
+ */

Event/xAOD/xAODTriggerAthenaPool/src/xAODTrigCompositeAuxContainerCnv.h

+// This file's extension implies that it's C, but it's really -*- C++ -*-.
+/*
+ * Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration.
+ */
+/**
+ * @file xAODTriggerAthenaPool/xAODTrigCompositeAuxContainer.h
+ * @author scott snyder <snyder@bnl.gov>
+ * @date Dec, 2018
+ * @brief 
+ */
+
+
+#ifndef XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITEAUXCONTAINER_H
+#define XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITEAUXCONTAINER_H
+
+#include "xAODTrigger/TrigCompositeAuxContainer.h"
+#include "AthenaPoolCnvSvc/T_AthenaPoolAuxContainerCnv.h"
+
+typedef T_AthenaPoolAuxContainerCnv<xAOD::TrigCompositeAuxContainer>
+  xAODTrigCompositeAuxContainerCnv;
+
+#endif // not XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITEAUXCONTAINER_H

Event/xAOD/xAODTriggerAthenaPool/src/xAODTrigCompositeContainerCnv.cxx

+/*
+ * Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration.
+ */
+/**
+ * @file xAODTriggerAthenaPool/xAODTrigCompositeContainer.cxx
+ * @author scott snyder <snyder@bnl.gov>
+ * @date Dec, 2018
+ * @brief Dummy source file so that cmake will know this is a custom converter.
+ */

Event/xAOD/xAODTriggerAthenaPool/src/xAODTrigCompositeContainerCnv.h

+// This file's extension implies that it's C, but it's really -*- C++ -*-.
+/*
+ * Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration.
+ */
+/**
+ * @file xAODTriggerAthenaPool/xAODTrigCompositeContainer.h
+ * @author scott snyder <snyder@bnl.gov>
+ * @date Dec, 2018
+ * @brief 
+ */
+
+
+#ifndef XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITECONTAINER_H
+#define XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITECONTAINER_H
+
+
+#include "xAODTrigger/TrigCompositeContainer.h"
+#include "AthenaPoolCnvSvc/T_AthenaPoolxAODCnv.h"
+
+
+typedef T_AthenaPoolxAODCnv<xAOD::TrigCompositeContainer> xAODTrigCompositeContainerCnv;
+
+
+#endif // not XAODTRIGGERATHENAPOOL_XAODTRIGCOMPOSITECONTAINER_H