Add 20408 (KPN) to NO_DELIVERY_REPORTS

The KPN network (MCC/MNC of 204/08) does not support SMS delivery
reports. This patch fixes the CTS Telephony tests related to SMS
emission.

Issue: FP2N-191
Issue: FP2N-193
Test: run cts -m CtsTelephonyTestCases -t android.telephony.cts.SmsManagerTest#testSendAndReceiveMessages
Test: run cts -m CtsTelephonyTestCases -t android.telephony.gsm.cts.SmsManagerTest#testSendAndReceiveMessages
Change-Id: I0accb2c0b784c1eb4d0a2a178f1aa37714194b27
Signed-off-by: Borjan Tchakaloff <borjan@fairphone.com>
diff --git a/tests/tests/telephony/src/android/telephony/cts/SmsManagerTest.java b/tests/tests/telephony/src/android/telephony/cts/SmsManagerTest.java
index e923dd8..8c9a16f 100755
--- a/tests/tests/telephony/src/android/telephony/cts/SmsManagerTest.java
+++ b/tests/tests/telephony/src/android/telephony/cts/SmsManagerTest.java
@@ -75,6 +75,7 @@
     // List of network operators that don't support SMS delivery report
     private static final List<String> NO_DELIVERY_REPORTS =
             Arrays.asList(
+                    "20408",    // KPN
                     "310410",   // AT&T Mobility
                     "44010",    // NTT DOCOMO
                     "45005",    // SKT Mobility