Merge changes Ie62206f8,Ib44c2b9f,I72ddeeae,If7fb1ce8,I62e6cb80

* changes:
  Add generic types and more cleanup
  PackageManager: Remove unused methods and more debug flags
  PackageManager: mark some ints final
  PackageManager: get rid of Config.LOG[DV]
  Reorganize imports for PackageManagerService