[misc] Add a usecase for time

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: [Tizen IVI]
Test result summary: Pass 1, Fail 0, Blocked 0
[wrt][XWALK-890]Update test.py move input_result,change device test path

[Detailed commit message (if have)]
Unit test platform: [tizen]
Unit test result summary: Pass 347, Fail 0, Blocked 0
[webapi] Add handlers for websocket server

- Integrate handlers from w3c tests, these files are needed by websocket server
Merge pull request #423 from linshen/update-xwalk-890

[wrt][XWALK-890]Update test.py move input_result,change device test path
Merge pull request #426 from haoxli/haoxli/webapi/websocket-hanlder

[webapi] Add handlers for websocket server
[misc] Update WRT usecases for wrt-usecase-tizen-tests
[wrt] Update cases for format and test steps
Merge pull request #427 from kangxu/kangxu/wrt/wrt-integration-android-tests/updateSteps

[wrt] Update cases for format and test steps
Merge pull request #428 from wanghongjuan/wanghongjuan/misc/wrt-usecase
Merge pull request #412 from JianfengXu/xujf/misc/time

[misc] Add a usecase for time