autotest: Run WiFi tests on stumpy cells nightly

As part of verifying that stumpy cells are going to provide similar
levels of WiFi testing reliability to the older RSPro cells, schedule both
of our currently running suites to run on the stumpy cells.

TEST=None
BUG=chromium:238447

Change-Id: Ie47dd32746f6e39bf7c34d96b9cb1b34a24c2be2
Reviewed-on: https://gerrit.chromium.org/gerrit/57220
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
1 file changed