Have the guy who wrote BitcoinJ make a proposal. He works for Google after all.
Although, they probably only accept a FOREX clearinghouse exchange rate. A little birdy told me that a clearinghouse in Hong Kong is working on that. So when that happens, Bitcoin will likely be on Google.
This little birdy?
https://bt.irlbtc.com/view/115900.msg1252942#msg1252942