[webapi][XWALK-549]Modify test cases status for gamepad

- Fail Reason: the gamepad can not connect to android device.

Impacted TCs num(approved): New 0, Update 17, Delete 0
Unit test Platform: Andriod
Test result summary: Pass 0, Fail 17, Blocked 0
Merge pull request #511 from JianfengXu/xujf/gamepad/status

[webapi][XWALK-549]Modify test cases status for gamepad