[#1383] add log address info for auto discovery (#1384)

spring-cloud-huawei-service-engine/service-engine-discovery/src/main/java/com/huaweicloud/servicecomb/discovery/discovery/ServiceAddressManager.java

@@ -86,6 +86,7 @@ private void initEndPort(String key) {
       initialized = true;
     }
     Map<String, List<String>> zoneAndRegion = generateZoneAndRegionAddress(instances);
+    LOGGER.info("auto discovery service [{}] addresses: [{}]", key, zoneAndRegion);
     if (zoneAndRegion == null) {
       return;
     }