Clearing cached PropertyAccessInfos is used for stress-testing. Note
all this will soon be removed.

Bug: v8:7790,chromium:1234288
Change-Id: I4576563375b65830296cad295342823700d13b3a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3059696
Auto-Submit: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75992}