G4AtlasTools: Enable thread-safety checking.

Enable thread-safety checking. Suppress a few warnings due to Geant interface problems.

This merge request affects 1 package:

• Simulation/G4Atlas/G4AtlasTools

Adding @jchapman ,@vpascuzz as watchers

added Simulation master review-pending-level-1 labels

CI Result SUCCESS (hash f45815e6)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 21494]

merged

mentioned in commit 141d99cd

added sweep:ignore label