Merge "Avoid parsing CC SEI payload beyond buffer end"

            payload_size += last_byte;

        } while (last_byte == 0xFF);

        if (payload_size > SIZE_MAX / 8

                || !br.atLeastNumBitsLeft(payload_size * 8)) {

            ALOGV("Malformed SEI payload");

            break;

        }

        // sei_payload()

        if (payload_type == 4) {

            bool isCC = false;