title: MotionEvent.getPointerCount() is always 1
body: <p>I'm somehow getting unexpected results while trying to implement multitouch in my app. I'm never getting data for more than one pointer. 
  Multitouch on my phone surely works, because I can pinch-zoom in browser and detect pinch gesture with GestureDetector, but the following sample prints <code>action=0 pointers=1</code> regardless of how many fingers I use to touch the screen. </p>
  
  <p>Is there something in configuration/AndroidManifest or Activity creation that I need to </p>
  
  <pre><code>@Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main);
  
      findViewById(R.id.ll1).setOnTouchListener(new OnTouchListener() {
  
          @Override
          public boolean onTouch(View v, MotionEvent event) {
              Log.d("TAG","onTouch action="+event.getAction()+" pointers="+event.getPointerCount());
              return false;
          }
      });
  }
  </code></pre>
  
  <p>layout: </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:id="@+id/ll1"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:orientation="vertical" &gt;
  &lt;/LinearLayout&gt;
  </code></pre>