Clean up unused imports.

Change-Id: I7147ca237b99399e79210852aa5bf5a01101d779

java/src/com/android/inputmethod/latin/utils/DictionaryInfoUtils.java

@@ -27,10 +27,8 @@ import com.android.inputmethod.latin.BinaryDictionaryGetter;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.makedict.BinaryDictIOUtils;
 import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
-import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.Locale;

tests/src/com/android/inputmethod/latin/makedict/BinaryDictIOUtilsTests.java

@@ -22,8 +22,6 @@ import android.test.suitebuilder.annotation.LargeTest;
 import android.util.Log;
 
 import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer;
-import com.android.inputmethod.latin.makedict.DictDecoder.
-        DictionaryBufferFromWritableByteBufferFactory;
 import com.android.inputmethod.latin.makedict.FormatSpec.FileHeader;
 import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
 import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
@@ -128,6 +126,7 @@ public class BinaryDictIOUtilsTests extends AndroidTestCase {
         }
     }
 
+    @SuppressWarnings("unused")
     private static void printBinaryFile(final Ver3DictDecoder dictDecoder)
             throws IOException, UnsupportedFormatException {
         final FileHeader fileHeader = dictDecoder.readHeader();