set Player Language
Sets the language code for the player.
This method specifies the language code to be used for the player's interface and any available subtitles or captions. The language code should follow the BCP 47 standard, such as "en" for English or "fr" for French.
Return
the Builder instance for method chaining.
Parameters
language Code
the language code to set for the player. It should be a valid BCP 47 language tag.