Prevent the creation of Shorcuts with null intents (issue 5629292)

Change-Id: I54fbad2d4af27c6d8fc0d79c33e890298a3db4dc
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 6ea14db..e489e46 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -873,6 +873,9 @@
         boolean foundCellSpan = false;
 
         ShortcutInfo info = mModel.infoFromShortcutIntent(this, data, null);
+        if (info == null) {
+            return;
+        }
         final View view = createShortcut(info);
 
         // First we check if we already know the exact location where we want to add this item.