More TabWidget and padding tweaks to match spec.

Also fix NPE in UserDictionarySettings.

Bug: 5184822
Change-Id: I082981c3bcf9b1e6575dcf9f42495a17f0ec8672

src/com/android/settings/UserDictionarySettings.java

@@ -95,6 +95,13 @@ public class UserDictionarySettings extends ListFragment implements DialogCreata
         super.onCreate(savedInstanceState);
     }
 
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(
+                com.android.internal.R.layout.preference_list_fragment, container, false);
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);