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.)
Edited by John Derek Chapman
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.)