[usecase-wrt][xwakl-2970] Add one case to remotedebugging

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 0, Fail 1, Block 0

- Fail bug: xwalk-3168
Merge pull request #1534 from wanghongjuan/usecase/xwalk-2970

[usecase-wrt][xwakl-2970] Add one case to remotedebugging