Renames Bridge.Html5.FileReader.error to uppercase
Renames Bridge.Html5.FileReader.error to uppercase

This renames `Bridge.Html5.FileReader.error` to `Bridge.Html5.FileReader.Error`.

[3176] FileReader.error should be FileReader.Error

Related github issue: bridgedotnet/Bridge:3176.
bridgedotnet/Bridge,bridgedotnet/Bridge,AndreyZM/Bridge,AndreyZM/Bridge,AndreyZM/Bridge,AndreyZM/Bridge,bridgedotnet/Bridge,bridgedotnet/Bridge