code: @TargetApi(Build.VERSION_CODES.GINGERBREAD)
      public byte[] toByteArrayOfSpecifiedEndianness(boolean bigEndian) {
          byte[] copy = Arrays.copyOf(mValue, mValue.length);
  
          if (!bigEndian) {
              reverseArray(copy);
          }
  
          return copy;
      }
docs: Converts identifier to a byte array
  @param bigEndian true if bytes are MSB first
  @return a new byte array with a copy of the value