Unifying toString() method for various ItemInfo subclasses

Change-Id: I7cde42f0df412e2877fb93c77e74ee56a25edead
diff --git a/src/com/android/launcher3/LauncherAppWidgetInfo.java b/src/com/android/launcher3/LauncherAppWidgetInfo.java
index f22c2a4..66d8957 100644
--- a/src/com/android/launcher3/LauncherAppWidgetInfo.java
+++ b/src/com/android/launcher3/LauncherAppWidgetInfo.java
@@ -143,8 +143,8 @@
     }
 
     @Override
-    public String toString() {
-        return "AppWidget(id=" + Integer.toString(appWidgetId) + ")";
+    protected String dumpProperties() {
+        return super.dumpProperties() + " appWidgetId=" + appWidgetId;
     }
 
     public final boolean isWidgetIdAllocated() {