Function indy_sys::anoncreds::indy_issuer_rotate_credential_def_start

#[no_mangle]
pub unsafe extern "C" fn indy_issuer_rotate_credential_def_start(
    command_handle: CommandHandle, 
    wallet_handle: WalletHandle, 
    cred_def_id: CString, 
    config_json: CString, 
    cb: Option<ResponseStringCB>
) -> Error