Add DictionaryFacilitator dump().

Change-Id: I8b75aded3fc2b9b33128b6ba5a3e8d943dfca352

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

@@ -171,6 +171,8 @@ public interface DictionaryFacilitator {
 
     void clearUserHistoryDictionary();
     
+    String dump(final Context context);
+    
     void dumpDictionaryForDebug(final String dictName);
 
     ArrayList<Pair<String, DictionaryStats>> getStatsOfEnabledSubDicts();

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

@@ -807,4 +807,9 @@ public class DictionaryFacilitatorImpl implements DictionaryFacilitator {
         }
         return statsOfEnabledSubDicts;
     }
+
+    @Override
+    public String dump(final Context context) {
+        return "";
+    }
 }

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

@@ -1845,6 +1845,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         p.println("  Keyboard mode = " + keyboardMode);
         final SettingsValues settingsValues = mSettings.getCurrent();
         p.println(settingsValues.dump());
+        p.println(mDictionaryFacilitator.dump(this /* context */));
         // TODO: Dump all settings values
     }