GitLab

Remove checkout_aemu variable from DEPS.
Make tests run by default in AEMU instead of QEMU for x64 Fuchsia.

Bug: 1000907
Change-Id: I5cbe6fa2129b4f8a335fe629e942eecbe88d23fa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2037021Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Kevin Marshall <kmarshall@chromium.org>
Commit-Queue: Chong Gu <chonggu@google.com>
Cr-Commit-Position: refs/heads/master@{#738817}