A fullscreen wallpaper chooser for all screen sizes.

The wallpaper preview covers the whole screen,
with background protection for the gallery items and button.

Change-Id: Ice31c4fea6503d1a59b59d6fbffb5e4a28eb2143
diff --git a/src/com/android/launcher2/WallpaperChooser.java b/src/com/android/launcher2/WallpaperChooser.java
index 2311d1e..8a9d92f 100644
--- a/src/com/android/launcher2/WallpaperChooser.java
+++ b/src/com/android/launcher2/WallpaperChooser.java
@@ -33,6 +33,8 @@
 
         Fragment fragmentView =
                 getFragmentManager().findFragmentById(R.id.wallpaper_chooser_fragment);
+        // TODO: The following code is currently not exercised. Leaving it here in case it
+        // needs to be revived again.
         if (fragmentView == null) {
             /* When the screen is XLarge, the fragment is not included in the layout, so show it
              * as a dialog