increment versionCode

Change-Id: I3664bc9362845d0e9628b68297f9450455e5fd88
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b3de767..e826cb3 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -17,8 +17,8 @@
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.exchange"
-    android:versionCode="500012"
-    android:versionName="4.2-012"
+    android:versionCode="500013"
+    android:versionName="4.2-013"
      >
 
     <uses-permission