As part of the standard objects serialization, collect the identities of
the Array prototype and the Object prototype from all native contexts.
This information is then be consulted at compile time instead of having
to call Isolate::IsInAnyContext (which accesses the heap).

Bug: v8:7790
Change-Id: I26a8271afadfce243a8032e4a012f249ce3c2a60
Reviewed-on: https://chromium-review.googlesource.com/c/1275815
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56599}