shill: cellular: add "internet.tele2.nl" APN for Tele2 in Netherlands

BUG=None
TEST=Run unit tests.

Change-Id: I090ddc6f48b0ccd44f6b33ead00a7a04d79bc9a6
Reviewed-on: https://chromium-review.googlesource.com/959536
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Paris Yeh <pyeh@chromium.org>
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
diff --git a/mobile_operator_db/serviceproviders.prototxt b/mobile_operator_db/serviceproviders.prototxt
index 539aa38..8022791 100644
--- a/mobile_operator_db/serviceproviders.prototxt
+++ b/mobile_operator_db/serviceproviders.prototxt
@@ -9397,6 +9397,9 @@
     }
     mccmnc : "20402"
     mobile_apn {
+      apn : "internet.tele2.nl"
+    }
+    mobile_apn {
       apn : "data.tele2.nl"
     }
   }