Increment Exchange version.

Change-Id: I1115aaa53a70a0b598cbc4e121a664cf518da6e9
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index eee9da7..dd9bc8c 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="500036" >
+    android:versionCode="500037" >
 
     <uses-permission
         android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>