继前一篇笔记ProGuard基础语法和打包配置(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fgithub.com%2FDclock%2FDoc%2Fblob%2Fmaster%2FGradle%2F3_ProGuard%25E5%259F%25BA%25E7%25A1%2580%2