Merge "Update comment for the INonStandardCertCallback to indicate how...

/**

 * Callback to allow supplicant to retrieve non-standard certificate types

 * from the client.

 * from the framework. Certificates can be stored in the framework using

 * the WifiKeystore#put system API.

 *

 * Must be registered by the client at initialization, so that

 * supplicant can call into the client to retrieve any values.