adding http api publisher for Android agent to work out of the box

components/apimgt-extensions/org.wso2.carbon.apimgt.webapp.publisher/src/main/java/org/wso2/carbon/apimgt/webapp/publisher/APIPublisherUtil.java

@@ -280,7 +280,7 @@ public class APIPublisherUtil {
                 log.debug("'managed-api-transports' attribute is not configured. Therefore using the default, " +
                         "which is 'https'");
             }
-            transports = "https";
+            transports = "https,http";
         }
         apiConfig.setTransports(transports);