fix 2542590 add more logging when launching app fails

Change-Id: I5a1fa261c6e67eb7afb661de39e35ce43e2caa59
diff --git a/src/com/android/launcher2/ApplicationInfo.java b/src/com/android/launcher2/ApplicationInfo.java
index f50b889..5bb5037 100644
--- a/src/com/android/launcher2/ApplicationInfo.java
+++ b/src/com/android/launcher2/ApplicationInfo.java
@@ -98,7 +98,7 @@
 
     @Override
     public String toString() {
-        return title.toString();
+        return "ApplicationInfo(title=" + title.toString() + ")";
     }
 
     public static void dumpApplicationInfoList(String tag, String label,