We'd love to accept your patches and contributions to this project. There are a few guidelines you need to follow.
Contributions to this project must be accompanied by a Contributor License Agreement. You (or your employer) retain the copyright to your contribution, this simply gives us permission to use and redistribute your contributions as part of the project. Head over to https://cla.developers.google.com/ to see your current agreements on file or to sign a new one.
You generally only need to submit a CLA once, so if you've already submitted one (even if it was for a different project), you probably don't need to do it again.
All submissions, including submissions by project members, require review. We use GitHub pull requests for this purpose. Consult GitHub Help for more information on using pull requests.
Expect maintainers to respond to new issues or pull requests within a week. For outstanding and ongoing issues and particularly for long-running pull requests, expect the maintainers to review within a week of a contributor asking for a new review. There is no commitment to resolution -- merging or closing a pull request, or fixing or closing an issue -- because some issues will require more discussion than others.