While app is downloading, switching app to background and coming back to foreground stops the download.

[crspybits]

To reproduce:

1. Delete the app
2. Re-install & sign in
3. Download a larger album
4. During the download, put the app into the background for a period of time. E.g., 1 minute.
5. Bring back to foreground.
6. Observe that the download doesn't continue.