问题：cocos2d: fullPathForFilename: No file found at script/jsb_prepare.js. Possible missing file

解析：Android Studio对cocos引擎的支持问题，build:gradle版本修改为3.1.0

解决：classpath ‘com.android.tools.build:gradle:3.1.0‘

cocos2d: fullPathForFilename: No file found at script/jsb_prepare.js. Possible missing file