GitLab

Adds a field to Thread::Options to allow the task queue time domain to
be configured, to enable Thread users to test task posting functionality
using synthetic time.

Bug: 1034758
Change-Id: I9b301f98e856a86045a12bab6e25569d4ef9b330
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2020480Reviewed-by: Gabriel Charette <gab@chromium.org>
Commit-Queue: Mike Wittman <wittman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735444}