Increment Exchange version.

Change-Id: I92805ad91b6a33f91575b4a4cadc8f1e2b463d0f
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index b90af09..df1ed70 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -17,7 +17,7 @@
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.exchange"
-    android:versionCode="500045" >
+    android:versionCode="500046" >
 
     <uses-permission
         android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>