This is a reland of 3c4d0316

Original change's description:
> [async] Expose async hooks to d8
>
> This implementation follows the Node.js API as a guideline.
>
> Change-Id: I09274ea25ccdbb9794a7440d6c14f26b9febb4f4
> Reviewed-on: https://chromium-review.googlesource.com/1065818
> Commit-Queue: Maya Lekova <mslekova@chromium.org>
> Reviewed-by: Ali Ijaz Sheikh <ofrobots@google.com>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53551}

Change-Id: If2114db2ff179c6b07a40bc0c2dac3a41f37aea9
Bug: chromium:850530
Reviewed-on: https://chromium-review.googlesource.com/1088890
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53901}