Xamarin.Forms.Maps IsShowingUser causes massive battery drain (at least on Android)

I just discovered that when you send an app using a Xamarin.Forms.Maps.Map with IsShowingUser = true to the background on Android that this causes a massive battery drain. The app is permanently accessing your position (see icon in status line and battery usage log).

You can avoid this by setting IsShowingUser = false before sending the app to the background.