plus a test that calls a CAPI function directly from C++ (without
the detour through Wasm).
Anyref tables are still unsupported.

Change-Id: I450a6a75fde411da99691deab04c59a760a65a7d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1684076Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62489}