Modify CommentManagementAPI

add "defaultValue" parameter here in the ApiParams

components/application-mgt/org.wso2.carbon.device.application.mgt.api/src/main/java/org/wso2/carbon/device/application/mgt/api/services/CommentManagementAPI.java

@@ -129,13 +129,13 @@ public interface CommentManagementAPI {
                     String uuid,
             @ApiParam(
                     name="offSet",
-                    value="Starting comment number.",
+                    value="Starting comment number.",defaultValue = "1",
                     required = false)
             @QueryParam("offSet")
                     int offSet,
             @ApiParam(
                     name="limit",
-                    value = "Limit of paginated comments",
+                    value = "Limit of paginated comments",defaultValue = "20",
                     required = false)
             @QueryParam("limit")
                     int limit);