The drag/drop ApiDemo now uses a global drag, not local-only

Showing off the new View.DRAG_FLAG_GLOBAL feature.

Change-Id: I3f857974a7334e00a891d93a70ecc7a85378cd68

samples/ApiDemos/src/com/example/android/apis/view/DraggableDot.java

@@ -132,7 +132,7 @@ public class DraggableDot extends View {
             public boolean onLongClick(View v) {
                 ClipData data = ClipData.newPlainText("dot", "Dot : " + v.toString());
                 v.startDrag(data, new ANRShadowBuilder(v, mAnrType == ANR_SHADOW),
-                        (Object)v, 0);
+                        (Object)v, View.DRAG_FLAG_GLOBAL);
                 return true;
             }
         });