This is a reland of 8c10501b.
Reland after fixing test failures.

Original change's description:
> Enable lazy feedback allocation
>
> Bug: v8:8394
> Change-Id: I29ffd38725bdcaa9dd11221045dba681eb0d567b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1643430
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61991}

Bug: v8:8394
Change-Id: Icc9e276ab22ca6455b775f3c27e0d43c3f08b887
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1647161Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62018}