Modify power stress test

- Run on DUTs with battery only
- For boards with no lid - perform powerd_dbus_suspend
- Fail if servo lid_open control is bad
- Suspend before both charging states
- First discharge and then charge state

BUG=None
TEST=Tested against DUTS in lab

Change-Id: I1007794e28573ef421a52e1848f6b5392ddac1a3
Reviewed-on: https://chromium-review.googlesource.com/264385
Reviewed-by: Yusuf Mohsinally <mohsinally@chromium.org>
Tested-by: Kalin Stoyanov <kalin@chromium.org>
Commit-Queue: Kalin Stoyanov <kalin@chromium.org>
6 files changed