497175beff
Switch to using the process state to determine whether a process should be foreground or background, instead of the boolean foreground given by the activity manager. This is for battery save mode, where we can now allow more apps to havenetwork access: everything whose process state is at least IMPORTANT_FOREGROUND, which allows music playback and other use-visible things to continue to have network access. Note this also impact the traditional background data disabled state, where now we allow anything top or better to have network access. This automatically includes all persistent processes, the current top activity, and any other processes hosting the top activity or being used by the top activity. So it broadens the set of apps that get network access, but I think this increases it to a reasonable set of things that may actually be needed for the foreground app to work correctly. Change-Id: Icb609a2cea280dc3fa3e83417f478ed77f3685aa