GitLab

Add 2 samples leveraging prototype implementation of depth API.

Change-Id: I94514a905d694f168983f1afa9a9d4424a385188
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2417064
Commit-Queue: Piotr Bialecki <bialpio@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808485}