factory_install shouldn't fail if crossystem returns an error

BUG=none
TEST=netboot install a factory bundle

Change-Id: If891bea2b23a6b1ae248bb0620994af0f3edb5c4
Reviewed-on: https://chromium-review.googlesource.com/225170
Tested-by: Gediminas Ramanauskas <gedis@chromium.org>
Reviewed-by: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Gediminas Ramanauskas <gedis@chromium.org>
1 file changed