[webapi] Changet the TCs status to designed

Impacted Suites: webapi-gamepad-w3c-tests
Impacted TCs num: New 0, Update 16, Delete 0
Unit test Platform: Andriod
Andriod test result summary: Pass 0, Fail 0, Blocked 0

Comments:
1.Beacuse the feature moved to V8, all the TCs status have been changed to designed.
Merge pull request #268 from JianfengXu/xujf/webapi/gamepad1

[webapi] Changet the TCs status to designed