Add new API demo for -swNNNdp resource qualifier.

Also clean up the demo for the w/h qualifiers to use numbers
that are the same as what we will be recommending.

Change-Id: I87ed35d8dfcb41985e19f450f7853f883effd207

samples/ApiDemos/src/com/example/android/apis/content/ResourcesSmallestWidth.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.apis.content;
+
+import com.example.android.apis.R;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class ResourcesSmallestWidth extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // This layout uses different configurations to adjust
+        // what is shown based on the smallest width that will occur.
+        setContentView(R.layout.resources_smallest_width);
+    }
+}

samples/ApiDemos/src/com/example/android/apis/content/ResourcesWidthAndHeight.java

@@ -20,7 +20,6 @@ import com.example.android.apis.R;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.widget.TextView;
 
 public class ResourcesWidthAndHeight extends Activity {
     @Override