DMV will begin issuing driver licenses to applicants who are unable to provide evidence of their status in the U.S. As such, requirements for driver licensing will be modified in accordance with the effective date of January 1, 2015.
http://apps.dmv.ca.gov/pubs/hdbk/obtain_dl.htm
http://apps.dmv.ca.gov/pubs/hdbk/obtain_dl.htm