监控对HttpURLConnection的支持

[xiongshiyan]

目前监控对客户端Http的支持如下，HTTPURLConnection还用的比较多，能提供支持吗？

Feign 9.x
Netflix Spring Cloud Feign 1.1.x, 1.2.x, 1.3.x
Okhttp 3.x
Apache httpcomponent HttpClient 4.2, 4.3
Spring RestTemplete 4.x
Jetty Client 9
Apache httpcomponent AsyncClient 4.x

[wu-sheng]

English Only. And we are welcome contributions. We don't do all plugin by ourselves.

[kezhenxu94]

Duplicate of #2709