added "art-include: 24.0" ahead of r24 branching
Included "art-include: 24.0" where appropriate in Tools/Tier0ChainTests/test scripts (basically where art-include: 23.0 was used)
Included "art-include: 24.0" where appropriate in Tools/Tier0ChainTests/test scripts (basically where art-include: 23.0 was used)