Revert^2 "Prevent overflow for AOT hotness counters"

Fixed bug where sbc usage was incorrect. sbc does -1 + carry.

Test: test/run-test --always-clean --runtime-option -Xcheck:jni --64 674-hotness-compiled
Test: test/run-test --always-clean --runtime-option -Xcheck:jni 674-hotness-compiled
Bug: 139883463

This reverts commit 7ab07777b08db86dda2891f3e7ae15df8f25a599.

Change-Id: I6f8ac0320592a94314386b04cdb0c7e0e6da6994
7 files changed