Support drag/drop on search results

Bug: 199341710
Test: manual
Change-Id: I9879c2a3769d4f930ab0289d2f26e4757971549d
diff --git a/src/com/android/launcher3/LauncherSettings.java b/src/com/android/launcher3/LauncherSettings.java
index 03e4ee7..048aaaa 100644
--- a/src/com/android/launcher3/LauncherSettings.java
+++ b/src/com/android/launcher3/LauncherSettings.java
@@ -95,6 +95,12 @@
         public static final int ITEM_TYPE_DEEP_SHORTCUT = 6;
 
         /**
+         * The favroite is a search action
+         */
+        public static final int ITEM_TYPE_SEARCH_ACTION = 7;
+
+
+        /**
          * Type of the item is recents task.
          * TODO(hyunyoungs): move constants not related to Favorites DB to a better location.
          */