Return proper code for auth failure during autodiscover

* Regression from HC in handling bad username/password from the
  autodiscover screen

Bug: 5612276
Change-Id: I9ab5881b38225919a6d82536fd387af717dd44d7
diff --git a/src/com/android/exchange/EasSyncService.java b/src/com/android/exchange/EasSyncService.java
index dad8039..7a6d3b4 100644
--- a/src/com/android/exchange/EasSyncService.java
+++ b/src/com/android/exchange/EasSyncService.java
@@ -809,7 +809,7 @@
                     MessagingException.IOERROR);
         } catch (MessagingException e) {
             bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
-                    MessagingException.AUTHENTICATION_FAILED);
+                    MessagingException.AUTODISCOVER_AUTHENTICATION_FAILED);
         }
         return bundle;
     }