au_test_harness: fork gce module here

Until this project is migrated to Python 3, fork modules here.

BUG=chromium:1170006, chromium:1171299
TEST=CQ passes

Change-Id: I0d6cf46445d589c9a6e4a33e11af03e0f062d957
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/2653586
Reviewed-by: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Dhanya Ganesh <dhanyaganesh@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
3 files changed