[autotest] remove ownership state, THEN restart the browser

I was cleaning up ownership state after restarting Chrome and the
session manager, so I was winding up with an inconsistent notion of
the ownership status of the device.  This led to deciding taht the
owner's private key had been lost incorrectly.

BUG=chromium-os:7884
TEST=suite_Smoke

Change-Id: Ia47f79dadddb3a36decc1da5c8d827baebd416e4

Review URL: http://codereview.chromium.org/3754009
2 files changed