Add WW log for drag events from longpress popup window.

Bug: 157765763
Sample Log: https://docs.google.com/document/d/1CBP2yTcXdFhPdNG5ZmWFKSgd8mDbMevY-akVlUXPLDo/edit#bookmark=id.368csp9y1pwc

Change-Id: I73024f2c8010e77b6f89829fda64130f54ff81f1
diff --git a/src/com/android/launcher3/LauncherSettings.java b/src/com/android/launcher3/LauncherSettings.java
index 6789072..2cb3910 100644
--- a/src/com/android/launcher3/LauncherSettings.java
+++ b/src/com/android/launcher3/LauncherSettings.java
@@ -154,9 +154,9 @@
         public static final int CONTAINER_HOTSEAT_PREDICTION = -103;
         public static final int CONTAINER_ALL_APPS = -104;
         public static final int CONTAINER_WIDGETS_TRAY = -105;
-
         // Represents search results view.
         public static final int CONTAINER_SEARCH_RESULTS = -106;
+        public static final int CONTAINER_SHORTCUTS = -107;
 
         public static final String containerToString(int container) {
             switch (container) {
@@ -166,6 +166,7 @@
                 case CONTAINER_ALL_APPS: return "all_apps";
                 case CONTAINER_WIDGETS_TRAY: return "widgets_tray";
                 case CONTAINER_SEARCH_RESULTS: return "search_result";
+                case CONTAINER_SHORTCUTS: return "shortcuts";
                 default: return String.valueOf(container);
             }
         }