IMS: Enable IMS feature flags for supported carriers

Enable IMS feature flags for supported carriers.

Change-Id: I2a119788ca996e0d4152458c68206f7729aa6c28
CRs-Fixed: 2707881

device/overlay/packages/apps/CarrierConfig/res/xml/vendor.xml

@@ -1763,6 +1763,12 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.-->
         <boolean name="config_disable_clir_over_ut" value="true" />
     </carrier_config>
 
+    <carrier_config mcc="460" mnc="15">
+        <boolean name="carrier_volte_available_bool" value="true" />
+        <boolean name="carrier_vt_available_bool" value="true" />
+        <boolean name="carrier_wfc_ims_available_bool" value="true" />
+    </carrier_config>
+
     <carrier_config mcc="310" mnc="00">
         <boolean name="rtt_supported_bool" value="true" />
         <boolean name="carrier_rtt_auto_upgrade" value="true" />