Add a debug variable

...that was missing

Change-Id: Ia3b17909f295e0a93dee633c8d67c0e03840023e

java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java

@@ -41,6 +41,7 @@ import java.util.Locale;
  */
 public class BinaryDictionaryFileDumper {
     private static final String TAG = BinaryDictionaryFileDumper.class.getSimpleName();
+    private static final boolean DEBUG = false;
 
     /**
      * The size of the temporary buffer to copy files.