@Override
        public void write(int oneByte) throws IOException {
            byte[] buffer = new byte[1];
            buffer[0] = (byte) (oneByte & 0xff);
            write(buffer);
        }
Method acts as described in spec for superclass.
@see java.io.OutputStream#write(int)
common/src/main/java/org/conscrypt/ConscryptFileDescriptorSocket.java