Fix a janky transition

Bug: 6026080
Change-Id: I75bd244b2b09c371805a67057d2a9c45dc12f3db

src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java

@@ -200,6 +200,8 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
                     new Intent(UserDictionaryList.USER_DICTIONARY_SETTINGS_INTENT_ACTION);
             userDictionaryPreference.setTitle(R.string.user_dict_single_settings_title);
             userDictionaryPreference.setIntent(intent);
+            userDictionaryPreference.setFragment(
+                    com.android.settings.UserDictionarySettings.class.getName());
             // If the size of localeList is 0, we don't set the locale parameter in the
             // extras. This will be interpreted by the UserDictionarySettings class as
             // meaning "the current locale".

src/com/android/settings/inputmethod/UserDictionaryList.java

@@ -100,6 +100,7 @@ public class UserDictionaryList extends SettingsPreferenceFragment {
             newPref.getExtras().putString("locale", locale);
         }
         newPref.setIntent(intent);
+        newPref.setFragment(com.android.settings.UserDictionarySettings.class.getName());
         return newPref;
     }