Migrate SPN Overrides to Carrier Config

This change migrates everything from the latest
aosp version of spn-conf.xml to Carrier Config.
This will permit the simplification of SPN
overriding logic.

Bug: 68049890
Test: compilation + boot
Change-Id: Icf12b5a7e675e3f99a4d017418c84b3d0d414a21
diff --git a/assets/carrier_config_23433.xml b/assets/carrier_config_23433.xml
index 2c24c59..9f9397a 100644
--- a/assets/carrier_config_23433.xml
+++ b/assets/carrier_config_23433.xml
@@ -13,6 +13,8 @@
             <item value="23486" />
         </string-array>
         <boolean name="display_voicemail_number_as_default_call_forwarding_number" value="true" />
+        <boolean name="carrier_name_override_bool" value="true" />
+        <string name="carrier_name_string">EE</string>
     </carrier_config>
     <carrier_config gid1="28000000">
         <boolean name="carrier_name_override_bool" value="true" />