Revert "Revert "Assembly TLAB allocation fast path for arm64.""

This reverts commit 52fa2c698b995c21940f366cf3a44204ddf4f8e9.

Fix the mvn instructions.

Bug: 9986565
Change-Id: Ib7b2023cd54c57131442e1de85c64f40b818313d
3 files changed