TileRec: Move large arrays into separately-allocated objects.

ubsan can give false positives for classes using virtual derivation that have excessive space in member variables. Resolve by moving the large member arrays to a separately allocated object.

Fixes ubsan warnings seen in gcc8 dbg build.

This merge request affects 1 package:

• TileCalorimeter/TileRec

Adding @pavol ,@solodkov ,@harkusha as watchers

added JetEtmiss Tile master review-pending-level-1 labels

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-20982-2019-02-08-09-48
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 33527]

Approving.

Clara (L1)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit cf282226

added sweep:ignore label