check the state of launcher before running a backup.

Bug: 11066273
Change-Id: Ie27a7cce4060f0bafedb06dbdb33fddf50a9cc48
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 7da1c2a..8b34ffb 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -54,6 +54,10 @@
         return INSTANCE;
     }
 
+    public static LauncherAppState getInstanceNoCreate() {
+        return INSTANCE;
+    }
+
     public Context getContext() {
         return sContext;
     }