[autotest] move deploy_production* from contrib/ to site_utils/ #1/3

Step 1: Copy scripts to site_utils, create symlinks from old locations
to new locations so that prod push is backwards compatible.

BUG=None
TEST=None

Change-Id: I5bad9411328487255e3d833b814b0c44b70e36d8
Reviewed-on: https://chromium-review.googlesource.com/275053
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
6 files changed