2666be8ae7
Like a normal (foreground) request, a background request is only satisfied by one network and will keep that network up. Unlike a foreground request, when a network only has background requests, it will linger, and after lingering is complete, it will become a background network. Future CLs will cause the system to treat background networks differently, e.g., by requiring different permissions. Bug: 23113288 Change-Id: I40f735269dad1042eb04fea15e64584fc903ccb3