Update WFC configs for TMO US

Bug: 162578529
Test: make
Change-Id: Ibbad38fc3e313c613a18365314e51e88ec5598d8
diff --git a/assets/carrier_config_carrierid_1_T-Mobile-US.xml b/assets/carrier_config_carrierid_1_T-Mobile-US.xml
index 2450910..d4e7fc4 100644
--- a/assets/carrier_config_carrierid_1_T-Mobile-US.xml
+++ b/assets/carrier_config_carrierid_1_T-Mobile-US.xml
@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
 <carrier_config>
+    <int name="carrier_default_wfc_ims_mode_int" value="1" />
+    <boolean name="carrier_default_wfc_ims_enabled_bool" value="true" />
     <boolean name="carrier_default_wfc_ims_roaming_enabled_bool" value="true" />
     <boolean name="carrier_supports_ss_over_ut_bool" value="true"/>
     <boolean name="carrier_ims_gba_required_bool" value="true"/>