Change the versionCode/Name for Exchange

Change-Id: I5725712b82d8409bc76847ee72b6c1bf494d7b5c
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 81dd9da..22df018 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="500000"
-    android:versionName="5.0"
+    android:versionCode="500001"
+    android:versionName="4.2"
      >
 
     <uses-permission