Fix QS FBE-ness

 - Get service info for encryption-unaware apps
 - SysUI assumes tiles in unavailable state when waiting for
   binding
 - Attempt rebind after unlock is complete
 - Fix random crash that was making testing hard

Bug: 26940789
Bug: 27556723
Change-Id: I0b3600d35d4c74bb0d6c47a34a7d267bb9731bc4