参考 org.openjdk.jol.vm.sa.ServiceabilityAgentSupport 解决 jdk 9之后的加载问题？

[hengyunabc]

https://github.com/openjdk/jol/blob/0.16/jol-core/src/main/java/org/openjdk/jol/vm/sa/ServiceabilityAgentSupport.java