Port f72c844a

Original Commit Message:

    Port f5ab7d38

    Port 65f3861e

    Original Commit Message:

        In a new test suite: "wasm-api-tests", using a new binary "wasm_api_tests",
        powered by gtest/gmock (like unittests).
        Also fix a bunch of issues that these tests uncovered, mostly to ensure
        that the stack is walkable.

R=miladfar@ca.ibm.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I565fba1a2437eb49be0c5247740f3fcac7b071db
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1775723Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#63460}