[autotest] servod: Enhance key press logic.

Depends on:
https://gerrit.chromium.org/gerrit/10959

BUG=chrome-os-partner:6654
TEST=platform_LongPressPower, platform_CloseOpenLid

Change-Id: I6adc78323ad667ba72b95dd448a24ba9f73b4a6c
Reviewed-on: https://gerrit.chromium.org/gerrit/10966
Reviewed-by: Todd Broch <tbroch@chromium.org>
Tested-by: Todd Broch <tbroch@chromium.org>
Commit-Ready: Todd Broch <tbroch@chromium.org>
1 file changed