[webapi][XWALK-549] Update 11 basic cases for gamepad

- Fail Reason: the gamepad can not connect to the android device, but this sample is passed in chrome 37.

Impacted TCs num: New 0, Update 11, Delete 0
Unit test Platform: Andriod
Unit test result summary: Pass 0, Fail 11, Blocked 0
Merge pull request #703 from JianfengXu/xujf/gamepad/basic/update

[webapi][XWALK-549] Update 11 basic cases for gamepad