xAODMetaDataCnv → xAODMetaData Relation

File in Event/xAOD/xAODMetaDataCnv/xAODMetaDataCnv	Includes file in Event/xAOD/xAODMetaData
FileMetaDataTool.h	xAODMetaData / Event/xAOD/xAODMetaData/xAODMetaData/FileMetaData.h