So far this method was only working for ListChangesOption, now we can also use it for ListAccountsOption and ListGroupsOption. This allows to remove the toHex method from the code-owners plugin which needs this method for ListAccountsOption. Signed-off-by: Edwin Kempin <ekempin@google.com> Change-Id: I7f373e70b643c9db843e75875f75723f30f4b03c