allow force execution of factory_Wipe test.

Due to many tests require running Wipe test directly,
here is a special version control file to invoke wipe test.

Usage:
 ../../bin/autotest force_run

You may check the parameters in force_run to change the checks
before execution of wipe.

BUG=chrome-os-partner:467 chrome-os-partner:337 chrome-os-partner:512
TEST=manual

Change-Id: I9a38a0c3920d77c04e6c3b2e1d6077fcf15538d3

Review URL: http://codereview.chromium.org/3181026
2 files changed