update placeholder on package install or restore

Bug: 10778992
Change-Id: I3293d8bab8ae0ef49fc5554531bba5bd6f70932c
diff --git a/src/com/android/launcher3/AppInfo.java b/src/com/android/launcher3/AppInfo.java
index d5a7769..da222f1 100644
--- a/src/com/android/launcher3/AppInfo.java
+++ b/src/com/android/launcher3/AppInfo.java
@@ -64,6 +64,10 @@
         return intent;
     }
 
+    protected Intent getRestoredIntent() {
+        return null;
+    }
+
     /**
      * Must not hold the Context.
      */