Kiev: Factory: Don't log bind attributes in reports.

BUG=chrome-os-partner:10611
TEST=gooftool upload_report --upload_method custom:/foo
view content of file under /tmp check that gbind_attribute
and ubind_attribute are "REDACTED"

Change-Id: I619b2017f3a55e43c70de17421a8d6ff4a9e310e
Reviewed-on: https://gerrit.chromium.org/gerrit/34162
Reviewed-by: Dave Parker <dparker@chromium.org>
Tested-by: Dave Parker <dparker@chromium.org>