Improving widget handling for pinItemRequest

> Preloading widget view while dragging for smoother
  transition
> Skipping config activity and sending confirmation to
  the caller when widget is dropped

Bug: 33584624
Change-Id: Ib23e5964298296d12d9c93f38aefdf924a07368e

src/com/android/launcher3/widget/PendingAddWidgetInfo.java

@@ -52,7 +52,7 @@ public class PendingAddWidgetInfo extends PendingAddItemInfo {
         minSpanY = i.minSpanY;
     }
 
-    public WidgetAddFlowHandler getHander() {
+    public WidgetAddFlowHandler getHandler() {
         return new WidgetAddFlowHandler(info);
     }
 }