power_manager: restore previous resume time opimization

This change autosuspends USB devices if they aren't already in
that state and helps shave >300ms from the resume time.

BUG=chrome-os-partner:4053
TEST=run power_Resume autotest

Change-Id: I715f07b8e273ce39592755675c131fd96719d460
Reviewed-on: http://gerrit.chromium.org/gerrit/2728
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Reviewed-by: Puneet Kumar <puneetster@chromium.org>
1 file changed