make_factory_package: Remove race condition.

Remove race condition caused by unneeded temporary file with fixed name.

BUG=chrome-os-partner:12999
TEST=Run two scripts simataneously with same source images, and then netboot
     two devices with two miniomaha servers on different ports.

Change-Id: I3d20b77fc658c26366d7ce0ad2fcaa379e9c2843
Reviewed-on: https://gerrit.chromium.org/gerrit/31110
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Commit-Ready: Shik Chen <shik@chromium.org>
Tested-by: Shik Chen <shik@chromium.org>
2 files changed
tree: f80618094591b7b934b0f8bad3aa4b4a742c3894
  1. .gitignore
  2. OWNERS
  3. cros_bundle/
  4. factory_setup/