Bump apns version to 8

apns*.xml files must all match the version in
frameworks/base/core/res/res/xml/apns.xml
which is now 8.

Bug: 8415842
Change-Id: I69f7d1f6bcbd0202481a5e50c9912e4efffbce2f
diff --git a/test-apns-conf_sprint.xml b/test-apns-conf_sprint.xml
index 45f9cb8..a6b67a7 100644
--- a/test-apns-conf_sprint.xml
+++ b/test-apns-conf_sprint.xml
@@ -19,7 +19,7 @@
 
 <!-- use empty string to specify no proxy or port -->
 <!-- This version must agree with that in apps/common/res/apns.xml -->
-<apns version="7">
+<apns version="8">
     <!-- Start of Apn database for Sprint LTE support -->
     <apn carrier="ota"
         mcc="310"