Limit sahara's stable acls to icehouse

In Icehouse Sahara wasn't integrated, so, this branch is managed by the
Saahra team. For stable/juno it'll be managed by stable maintenance
team.

Change-Id: Ie2d7aba28103262ae6de5fa0ea39901c8904e70f
Merge "Limit sahara's stable acls to icehouse"