Merge "Added a onRestrictBackgroundBlacklistChanged() callback." into nyc-dev
am: 2c6a450fa2

* commit '2c6a450fa23b97e6082e2daa1aa9c7f07a4def8f':
  Added a onRestrictBackgroundBlacklistChanged() callback.

Change-Id: Id9cb27070e1e72b12c5ade60b637e63319021f90