CI fails on test_android

[gengjiawen]

Looks like miss some buck dependency

+ buck fetch ReactAndroid/src/androidTest/...
2018-09-22 04:23:22,325 [WARNING][buck_tool.py:450] Not using buckd because watchman isn't installed.
Picked up _JAVA_OPTIONS: -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap
PARSING BUCK FILES... 0.0s (100%)
No build file at ReactAndroid/src/main/java/com/facebook/fbreact/fabricxx/BUCK when resolving target //ReactAndroid/src/main/java/com/facebook/fbreact/fabricxx:fabricxx.

This error happened while trying to get dependency '//ReactAndroid/src/main/java/com/facebook/fbreact/fabricxx:fabricxx' of target '//ReactAndroid/src/androidTest/java/com/facebook/react/testing:testing'
Exited with code 1

[react-native-bot]

We are automatically closing this issue because it does not appear to follow any of the provided issue templates.

Please make use of the bug report template to let us know about a reproducible bug or regression in the core React Native library.

If you'd like to propose a change or discuss a feature request, there is a repository dedicated to Discussions and Proposals you may use for this purpose.

[hramos]

Sorry for the trouble with the bot. I've added you to the core contributor white list which should prevent it from closing your issues automatically.