[autotest] Update dev and prod manifest to point to chromium-internal.

TEST=Ran repo init as described in the drone-setup page.
BUG=None

Change-Id: Id204ff2aa0068fa3f3d3d4fccae76358c69a8ba6
Reviewed-on: https://chromium-review.googlesource.com/167055
Tested-by: Prashanth Balasubramanian <beeps@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
2 files changed