Fix transpositional error in carrier config.

Change-Id: Id9b0e9301f87d2545dfe33219a21b41ec8f561ce
diff --git a/assets/carrier_config_311480.xml b/assets/carrier_config_311480.xml
index 76ae313..4861755 100644
--- a/assets/carrier_config_311480.xml
+++ b/assets/carrier_config_311480.xml
@@ -43,7 +43,7 @@
             <item value="332|simultaneous call limit has already been reached|1403" />
             <item value="501|call completion elsewhere|1014" />
             <item value="501|call has been pulled by another device|1016" />
-            <item value="510|another device sent all devices busy response|1404" />
+            <item value="501|another device sent all devices busy response|1404" />
             <item value="1014|call has been pulled by another device|1016" />
         </string-array>
     </carrier_config>