Function: `GetLocaleDisplayName`

Returns the ,{@link java.util.Locale}, display name with an optional display language/locale

Method Signature

GetLocaleDisplayName(locale=[string], dspLocale=[string])

Argument	Type	Required	Description	Default
`locale`	`string`	`false`	Optional locale to target - either a common format ( "German" ), or an ISO Directive
`dspLocale`	`string`	`false`	Optional display language locale