Moves CodeStubAssembler::BranchIfPrototypesHaveNoElements to
AccessorAssembler and TNodifies it on the way.

Bug: v8:9396
Change-Id: Ie5d8ad5abc3dbdb688c0cbee4610cd441ba1a9b1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1826736
Auto-Submit: Dan Elphick <delphick@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64057}