Fix unit tests by adding @UsedForTesting

package com.android.inputmethod.latin.makedict;

import com.android.inputmethod.annotations.UsedForTesting;

import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.CharEncoding;

import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;

import com.android.inputmethod.latin.makedict.FusionDictionary.PtNode;

/**

 * An implementation of DictEncoder for version 2 binary dictionary.

 */

@UsedForTesting

public class Ver2DictEncoder implements DictEncoder {

    private final File mDictFile;

    private byte[] mBuffer;

    private int mPosition;

    @UsedForTesting

    public Ver2DictEncoder(final File dictFile) {

        mDictFile = dictFile;

        mOutStream = null;

    // This constructor is used only by BinaryDictOffdeviceUtilsTests.

    // If you want to use this in the production code, you should consider keeping consistency of

    // the interface of Ver3DictDecoder by using factory.

    @UsedForTesting

    public Ver2DictEncoder(final OutputStream outStream) {

        mDictFile = null;

        mOutStream = outStream;