Ensure swift_store_admin_tenants ACLs are set

When using the V1 api ensure that admin tenant ACLs are set
correctly on the relevant swift container.

Fixes bug 1109089.

Change-Id: I275e8aa7d2f02859c0d9ddbf373a0ae51e81e53d
Merge "Ensure swift_store_admin_tenants ACLs are set"