increment versionCode

Change-Id: I5a9c342131daed937379dd6318f16a358450667d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 11d98df..366f92e 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="500003"
-    android:versionName="4.2"
+    android:versionCode="500004"
+    android:versionName="4.2-004"
      >
 
     <uses-permission