Bump app version to test the play store DL

Bug: 11237949
Change-Id: I8ee575b22357bfaed616d8adee92991900f7e076

AndroidManifest.xml

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4505bab..1eb9b8e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -16,7 +16,7 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.email"
-    android:versionCode="500058" >
+    android:versionCode="500059" >
 
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>