Sector and Layer now can be either emulated or from the tree

Details:
I've added to the PadTdsOfflineTool ntuple the values for sector and
layer as computed from the pad id.
So now one can choose to use
- either SectorEmulated or padSectorIdFromOfflineId
- either LayerEmulated or padLayerIdFromOfflineId
They seem to provide consistent results so far.
rename: IndicesA -> IndicesAthena