Avoid possible crashes
Avoid possible crashes

* No 160 dpi icon available
* Trying to resize a non-existing icon
* Non-dpi icon being lower density than ldpi

OneEducation/AppUniverse_Server,matlink/fdroidserver,fantastico/fdroidserver,f-droid/fdroidserver,fantastico/fdroidserver,f-droid/fdroidserver,matlink/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroid-server,matlink/fdroidserver,fantastico/fdroidserver,f-droid/fdroidserver,f-droid/fdroid-server,f-droid/fdroidserver,f-droid/fdroidserver,OneEducation/AppUniverse_Server,OneEducation/AppUniverse_Server,OneEducation/AppUniverse_Server,f-droid/fdroid-server,fdroidtravis/fdroidserver,fantastico/fdroidserver,f-droid/fdroid-server,matlink/fdroidserver,fdroidtravis/fdroidserver,OneEducation/AppUniverse_Server,matlink/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroid-server,fantastico/fdroidserver