autotest: Update path in hardware_VideoOutSemiAuto.

It was looking for monitor_reconfigure in /usr/sbin, but I
moved it to /usr/bin recently.

Change-Id: I891afe7bbc10f6719e93418e929d3eda4ff1198d

BUG=chrome-os-partner:1447
TEST=tried, but i don't understand how to use our testing framework to run tests anymore.  probably not making things worse? :-(

Review URL: http://codereview.chromium.org/4104001
1 file changed