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 am: 083f4ecca2
am: b10cd89507

Change-Id: I78dd4d0aa005ffa5e88b2dbce5464c771cb3b98f