The "dl_path" is used to set the downloading information of the source
tar ball of a package, and debrepack module can extract the tar ball by
parsing the meta_data.yaml automatically, that is equal to "dl_hook"
scripts.
Test Plan:
Pass: successfully build test
Story: 2009221
Task: 43917
Signed-off-by: Yue Tao <yue.tao@windriver.com>
Change-Id: Ie70517814a16852a9ab20495c2fc51622acd8e2f
e61db8ae7d