Merge "Addressing API council comments on NetworkStatsManager." into nyc-dev am: dc5f558640 am: 7598ac2aa7
am: 8b2dd44f2f

* commit '8b2dd44f2f30a9dd22799ee30dd4b9c5a093aae5':
  Addressing API council comments on NetworkStatsManager.

Change-Id: Ie6455799758f0bdb67440f72c266effaf412e22f