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Creates a TLS socket connection to probe connectivity to the origin.
This probe must also complete a DNS resolution in order to complete
successfully, in order to get the IPAddress of the probe url.

Bug: 1115731
Change-Id: I862ef52d353c4572e45d8596f5809af1b0b60081
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2358490Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801570}