Add VirtualBoundFunction to the serializer which takes care of
processing the result of Function.prototype.bind.

Add cctest and an mjsunit test.

Bug: v8:7790
Change-Id: Ic2b48d356cbe3b576eb22f58215cc886a8994e31
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1859625
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64548}