[working-with] listview native try to work out Dispose....
[working-with] listview native try to work out Dispose...
Merge branch 'master' of https://github.com/xamarin/xamarin-forms-samples

Conflicts:
	WorkingWithListviewNative/Droid/packages.config
	WorkingWithListviewNative/WorkingWithListviewPerf/packages.config
	WorkingWithListviewNative/iOS/packages.config