Create a servo based WiFi suspend resume test.

BUG=chromium:358924
TEST=Manual; ran it

Change-Id: I40b0f724fecc343ff8784994c2d87841b32c532e
Reviewed-on: https://chromium-review.googlesource.com/212956
Reviewed-by: Kris Rambish <krisr@chromium.org>
Commit-Queue: Kris Rambish <krisr@chromium.org>
Tested-by: Kris Rambish <krisr@chromium.org>
3 files changed