ServiceManager: Allow system services running as secondary users to add services am: e6bbe69ba7 am: 2cb14836ac am: c29c3734af am: ce0e72911c am: 2c39ea1025 am: fa5aafc9f3 am: 1f36bcd2ba
am: 75469c1fc9

Change-Id: Icbe1e240a365b6f473ee060cdec384db3b49db24