This reverts commit 1d837093.

Reason for revert: Speculative revert for https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Arm%20-%20debug/8158

Original change's description:
> [heap] Clean-up MemoryChunk allocation area constants.
> 
> Change-Id: I8ba59546ab93c7af98bc5ece2f0160628844dd92
> Reviewed-on: https://chromium-review.googlesource.com/c/1280584
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Commit-Queue: Hannes Payer <hpayer@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56908}

TBR=ulan@chromium.org,yangguo@chromium.org,hpayer@chromium.org

Change-Id: I0ce51513864d3f7e4337391dc510fb828c083d48
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/1296488Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56914}