* Update docs/submodules/releng from branch 'master'
to e8400a7f58e426833f2a9d139f0d0fd39a3e3221
- Merge "Create kali stable branch in Airship installer project"
- Create kali stable branch in Airship installer project
Signed-off-by: James Gu <james.gu@att.com>
Change-Id: I7887382178306806990e2b05b56be7a180465d89