Revert old kMaximumNumberOfCumulatedDexRegisters heuristics

In aosp/2138475 we reduced kMaximumNumberOfCumulatedDexRegisters
from 32 to 20. This CL reverts that as we had performance
regressions.

Bug: 227283224
Bug: 252884414
Bug: 252905038
Test: art/test/testrunner/testrunner.py --host --64 --optimizing -b
Change-Id: I0efa61c1c263101a0d3da3349a1c4c3d2508a52f
1 file changed