Add SimExoticsTests ART jobs in 21.0
This commit sweeps the changes in !23515 (merged) and !23677 (merged) from master to 21.0.
(Mark as sweep:ignore as these changes are already in master.)
This commit sweeps the changes in !23515 (merged) and !23677 (merged) from master to 21.0.
(Mark as sweep:ignore as these changes are already in master.)