Small security_RestartJob cleanups.

Add logging for the DBusException returned from RestartJob,
and move restarting the UI to a proper cleanup method -- which
this test has always lacked.

CQ-DEPEND=CL:226373
BUG=chromium:427111
TEST=security_RestartJob
STATUS=Fixed

Change-Id: I793a62b1e7111f9d3c6b13c2902893c2eadd115c
Reviewed-on: https://chromium-review.googlesource.com/226484
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Chris Masone <cmasone@chromium.org>
1 file changed