Revert "Optimize register mask and stack mask in stack maps."

This reverts commit ffaf87a429766ed80e6afee5bebea93db539620b.

Reason for revert: Breaks exception_test32 on target
for CMS and heap poisoning configs.

Change-Id: I127c17f693e28211a799f73a50e73105edee7e4c
9 files changed