Android Studio 离线Grade配置

https://www.jianshu.com/p/49f5f4914e21

摘要：
1. 前往https://gradle.org/releases/下载gradle
2. 修改/Gradle Scripts/gradle-wrapper.properties文件：
    distributionUrl=file:///Users/sideway/AndroidStudioProjects/gradle/gradle-5.6.4-all.zip
3. 改完后同步：File--Sync Project with Gradle Files