Change default WFC Mode for Verizon

b/28384577: The default WiFi calling preference for Verizon should be
cellular preferred per Carrier Requirements.

Change-Id: I29a9b2424afb936b7c6d80b6d1a4091a03321b35
diff --git a/assets/carrier_config_311480.xml b/assets/carrier_config_311480.xml
index 82babea..c54bc18 100644
--- a/assets/carrier_config_311480.xml
+++ b/assets/carrier_config_311480.xml
@@ -32,5 +32,6 @@
         <boolean name="allow_adding_apns_bool" value="false" />
         <boolean name="broadcast_emergency_call_state_changes_bool" value="true" />
         <string name="carrier_eri_file_name_string">eri_311480.xml</string>
+        <string name="carrier_default_wfc_ims_mode_int" value="1"/>
     </carrier_config>
 </carrier_config_list>