(1/2) All in one Network usage stats in status bar + Don't update stats when screen is off

Includes Commits:

https://github.com/willl0344/frameworks_base/commit/44652d468e862f35517521b7cc84e4aad5150191
https://github.com/willl0344/frameworks_base/commit/4fbc91a1c2d527c3387491982a38647ffc4d877b