Revert "Revert "ARM64 asm for region space array allocation""

Also added missing large object check. No regression from the check
N6P CC EAAC time at 1313 for 10 samples vs 1314 before reverts.

Bug: 30162165
Bug: 12687968

Test: test-art-target with CC + heap poisoning

This reverts commit 6ae7f3a4.

Change-Id: Ie28f652f619898d7d37eeebf3f31a88af8fac949