Add hwtests for peach_pi.

TEST=pylint.
BUG=None

Change-Id: Ief296f330b4813f81c2283b2e92478145cf0eb21
Previous-Reviewed-on: https://chromium-review.googlesource.com/190586
(cherry picked from commit 52f318995765d63207d55287916fc314af7dd750)
Reviewed-on: https://chromium-review.googlesource.com/191264
Commit-Queue: Prashanth B <beeps@chromium.org>
Tested-by: Prashanth B <beeps@chromium.org>
Reviewed-by: Katie Roberts-Hoffman <katierh@chromium.org>
1 file changed