omni: overlay: enable VoLTE for Germany o2

Change-Id: Icaf7685c168c4abf12122e3c1e44e7b59e2d19d6
diff --git a/overlay/CarrierConfig/packages/apps/CarrierConfig/res/xml/vendor.xml b/overlay/CarrierConfig/packages/apps/CarrierConfig/res/xml/vendor.xml
index 20755d2..45787a3 100644
--- a/overlay/CarrierConfig/packages/apps/CarrierConfig/res/xml/vendor.xml
+++ b/overlay/CarrierConfig/packages/apps/CarrierConfig/res/xml/vendor.xml
@@ -1404,6 +1404,11 @@
         <boolean name="carrier_volte_available_bool" value="true" />
         <boolean name="carrier_wfc_ims_available_bool" value="true" />
     </carrier_config>
+    <carrier_config mcc="262" mnc="07" >
+        <boolean name="carrier_volte_available_bool" value="true" />
+        <boolean name="carrier_wfc_ims_available_bool" value="true" />
+       <boolean name="carrier_vt_available_bool" value="true" />
+    </carrier_config>
     <carrier_config mcc="262" mnc="02" />
     <carrier_config mcc="268" mnc="01" >
         <boolean name="carrier_volte_available_bool" value="true" />