Increment Exchange version.

Change-Id: I704ab6adbd076a0d34a5b7a48da08c8585a67aba
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 084c0c4..b90af09 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="500044" >
+    android:versionCode="500045" >
 
     <uses-permission
         android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>