Follow API changes.

Change-Id: Ieb1df7fc0708f22aae3d851f74ade1343eb44e08

samples/NotePad/src/com/example/android/notepad/NoteEditor.java

@@ -470,7 +470,7 @@ public class NoteEditor extends Activity {
             String title=null;
 
             // Gets the first item from the clipboard data
-            ClipData.Item item = clip.getItem(0);
+            ClipData.Item item = clip.getItemAt(0);
 
             // Tries to get the item's contents as a URI pointing to a note
             Uri uri = item.getUri();

samples/NotePad/src/com/example/android/notepad/NotesList.java

@@ -406,7 +406,6 @@ public class NotesList extends ListActivity {
             clipboard.setPrimaryClip(ClipData.newUri(   // new clipboard item holding a URI
                     getContentResolver(),               // resolver to retrieve URI info
                     "Note",                             // label for the clip
-                    null,                               // icon for the clip
                     noteUri)                            // the URI
             );