编译成功，运行失败，提示如下：
2018-11-15 19:09:56.343 2820-2852/net.jd85.test D/cocos2d-x debug info: cocos2d: fullPathForFilename: No file found at script/jsb_prepare.js. Possible missing file.
原来不能把gradle插件升到最新，把项目内的proj.android文件里的降级到3.1.0就可以了。
dependencies {
classpath 'com.android.tools.build:gradle:3.1.0'
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
cocos官方解答：
https://forum.cocos.com/t/win10-cocos2d-x-3-17-jsb-android/69254