The root was moved to the beginning of a 4Gb reservation, which
imapacts codegen https://chromium-review.googlesource.com/c/v8/v8/+/1835548

Since the tests are now passing, removed the SKIP on cctests.

Bug: v8:9820, v8:9706
Change-Id: Icb45e5b078c405aee880bd7f1c333d28acb7c271
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1849527Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64242}