rnGo47

Test repo for facebook/react-native#20628

steps

1. launch android emulator
2. npm i
3. react-native run-android
4. set dev=false minify=true at Dev Settings of App's DevTools
5. react-native log-android for viewing console.log
6. curl "http://localhost:8081/index.android.bundle?platform=android&dev=false\&hot=false&minify=true" -o index.android.jsbundle
7. click the button to throw error
8. use line & column of error stack (app crash view OR console.log) to locate the position at jsbundle from step 6