Updating drop button targets

> Splitting DeleteDropTarget into delete and uninstall
> Showing UninstallDropTarget for app shortcuts on workspace
> Showing InfoDropTarget only when developer options is enabled

Change-Id: I4396571d2199d1581bb9c733aef88ab9b0ebd79d
diff --git a/src/com/android/launcher3/DropTarget.java b/src/com/android/launcher3/DropTarget.java
index 94ae82b..c5cca3b 100644
--- a/src/com/android/launcher3/DropTarget.java
+++ b/src/com/android/launcher3/DropTarget.java
@@ -139,7 +139,7 @@
 
     /**
      * Handle an object being dropped on the DropTarget
-     * 
+     *
      * @param source DragSource where the drag started
      * @param x X coordinate of the drop location
      * @param y Y coordinate of the drop location
@@ -169,7 +169,7 @@
     /**
      * Check if a drop action can occur at, or near, the requested location.
      * This will be called just before onDrop.
-     * 
+     *
      * @param source DragSource where the drag started
      * @param x X coordinate of the drop location
      * @param y Y coordinate of the drop location