Add format string for displaying SPN in Wi-Fi calling mode.

Bug: 19681794
Change-Id: I31feab956d14accda73288cd43a2aa34db7175ae
diff --git a/core/res/res/values-mcc310-mnc260/strings.xml b/core/res/res/values-mcc310-mnc260/strings.xml
index 5cadc2a..75b1b53 100644
--- a/core/res/res/values-mcc310-mnc260/strings.xml
+++ b/core/res/res/values-mcc310-mnc260/strings.xml
@@ -29,4 +29,6 @@
     <string-array name="wfcOperatorErrorMessages">
         <item>Wi-Fi Calling isn\&apos;t available. Contact your carrier to enable Wi-Fi Calling.</item>
     </string-array>
+    <!-- Template for showing cellular network operator name while WFC is active -->
+    <string name="wfcSpnFormat">%s Wi-Fi Calling</string>
 </resources>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 81db6c5..9f71093 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -251,6 +251,8 @@
     <string-array name="wfcOperatorErrorCodes" translatable="false" />
     <!-- WFC Operator Error Messages -->
     <string-array name="wfcOperatorErrorMessages" />
+    <!-- Template for showing cellular network operator name while WFC is active -->
+    <string name="wfcSpnFormat">%s</string>
 
     <!--
         {0} is one of "bearerServiceCode*"
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index b417968..e10ea63 100755
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -748,6 +748,7 @@
   <java-symbol type="string" name="wfcRegErrorTitle" />
   <java-symbol type="array" name="wfcOperatorErrorCodes" />
   <java-symbol type="array" name="wfcOperatorErrorMessages" />
+  <java-symbol type="string" name="wfcSpnFormat" />
   <java-symbol type="string" name="policydesc_disableCamera" />
   <java-symbol type="string" name="policydesc_encryptedStorage" />
   <java-symbol type="string" name="policydesc_expirePassword" />