Improve "Run as foreground" setting's description (fixes #715)
Improve "Run as foreground" setting's description (fixes #715)

begetan/syncthing-android,flipreverse/syncthing-android,syncthing/syncthing-android,begetan/syncthing-android,wweich/syncthing-android,syncthing/syncthing-android,flipreverse/syncthing-android,Nutomic/syncthing-android,Nutomic/syncthing-android,jmintb/syncthing-android,jmintb/syncthing-android,wweich/syncthing-android,syncthing/syncthing-android