GradleDependencyManagement：Gradle依赖的统一管理

Gradle常用命令 windows往掉前面的./ ./gradlew //下载更新gradle ./gradlew -v //版本号 ./gradlew assemble //构建项目输出 ./gradlew check //运行检测和测试任务 ./gradlew clean //清除build文件夹 ./gradlew build //编译打包,包含debug、release ./gradlew assembleDebug //编译并打debug包 ./gradlew assembleRelease //编译并打re