52973c0608
Not all preinstalled apps should have access to background networks or restricted networks. But we give them all network access permissions currently, it's not a good design. So we shall limit preinstalled apps permissions, they should just request the appropriate permission for their use case from the network permissions. Bug:19610688 Test: runtest frameworks-net Change-Id: I184ae3197208c979847ca134c8f01b32528badf1