Add icons to the main static storage setting prefs.

The dynamic user icons require more than just XML changes to
successfully fetch the badged user icons and are coming in a future
patch.

Bug: 35801039
Test: Manual -- this is purely XML and comment changes.
Change-Id: Id493c0335037a5c6e4f8b4734700611bfc0da7f1

src/com/android/settings/deviceinfo/StorageProfileFragment.java

@@ -73,6 +73,7 @@ public class StorageProfileFragment extends DashboardFragment
 
         mPreferenceController.setVolume(mVolume);
         mUserId = args.getInt(USER_ID_EXTRA, UserHandle.myUserId());
+        // TODO(b/36224168): Use the user id to appropriately badge the preferences.
         mPreferenceController.setUserId(mUserId);
     }
 
@@ -137,6 +138,7 @@ public class StorageProfileFragment extends DashboardFragment
             return null;
         }
 
+        // TODO(b/35927909): Attribute app sizes better than zeroing out for profiles.
         result.gamesSize = 0;
         result.musicAppsSize = 0;
         result.otherAppsSize = 0;