Merge "Describe how the accessory input stream drops data"

    /**

     * Opens a file descriptor for reading and writing data to the USB accessory.

     *

     * <p>If data is read from the {@link java.io.InputStream} created from this file descriptor all

     * data of a USB transfer should be read at once. If only a partial request is read the rest of

     * the transfer is dropped.

     *

     * @param accessory the USB accessory to open

     * @return file descriptor, or null if the accessor could not be opened.

     * @return file descriptor, or null if the accessory could not be opened.

     */

    @RequiresFeature(PackageManager.FEATURE_USB_ACCESSORY)

    public ParcelFileDescriptor openAccessory(UsbAccessory accessory) {