Google also remembers your location, browsing history, search history apart from many other things and you worry about your hashed-salted previous passwords?
This is common as most places do this anyways. Ever get a you can't use your last X passwords?
You realize they still don't save your password in raw text, right?
Google also remembers your location, browsing history, search history apart from many other things and you worry about your hashed-salted previous passwords?