When calling System.Text.Encoding.UTF8.EncodingName, the resulting string is not the human-readable description of the encoding.
## Steps to reproduce
1. Download attached sample.
2. Run either the Android or iOS sample and tap the button.
3. Observe the displayed title for the button.
## Expected result
"Unicode (UTF-8)" should be returned.
## Actual result
"Globalization.cp_65001" is displayed.
Included in the zip is a simple C# console app which you can run on Windows and see the expected result
When run with Mono on OS X you will see the erroneous result.
Created attachment 12109 [details]
The following encodings also return unreadable description:
Fixed in master and Mono 4.2