This clearly means that a "real Indian" would say "sorry, I don't know," but Google would lie. (Actually it's closer to asking whether it is a lie to be too embarrassed to admit to ignorance.)
If it had meant that a "real Indian" lies about it, it would have had a comma after "know" or "does" at the end.
If it had meant that a "real Indian" lies about it, it would have had a comma after "know" or "does" at the end.