[KYLIN-5388] fix code style.

Author: zznlime

src/common-service/src/main/java/org/apache/kylin/rest/service/BasicService.java

@@ -137,4 +137,8 @@ public boolean remoteRequest(BroadcastEventReadyNotifier notifier, String projec
         }
         return true;
     }
+
+    public NProjectManager getProjectManager(){
+        return NProjectManager.getInstance(getConfig());
+    }
 }

src/metadata-server/src/main/java/org/apache/kylin/rest/controller/NTableController.java

@@ -34,6 +34,7 @@
 
 import javax.servlet.http.HttpServletRequest;
 
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang.ArrayUtils;
 import org.apache.commons.lang.StringUtils;
@@ -90,6 +91,7 @@
 import io.swagger.annotations.ApiOperation;
 import lombok.val;
 
+@Slf4j
 @Controller
 @RequestMapping(value = "/api/tables", produces = { HTTP_VND_APACHE_KYLIN_JSON })
 public class NTableController extends NBasicController {