[webapi][XWALK-1914] update 21 case status for SIMD

- Fail Reason: Some methods in SIMD is not supported.

Impacted TCs num(apporved): New 0, Update 21, Delete 0
Unit test Platform: Andriod
Unit test result summary: Pass 21, Fail 0, Blocked 0
[wrt-usecase][xwalk-2394] Update TCs due to feature resolved

Impacted TCs num(approved): New 2, Update 4, Delete 0
Unit test Platform: Android
Android test result summary: Pass 6, Fail 0, Block 0
Merge pull request #943 from wanghongjuan/wanghongjuan/usecase/xwalk-2394

[wrt-usecase][xwalk-2394] Update TCs due to feature resolved
[wrt][xwalk-2008] Update one test

- Update the test due to the feature developer comment, but the feature has not been resolved

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Android
Android test result summary: Pass 0, Fail 1, Block 0
[wrt-usecase][xwalk-2328] Add one new test

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 1, Fail 0, Block 0
Merge pull request #944 from wanghongjuan/wanghongjuan/wrt/xwalk-2008

[wrt][xwalk-2008] Update one test
Merge pull request #945 from wanghongjuan/wanghongjuan/usecase/xwalk-2328

[wrt-usecase][xwalk-2328] Add one new test
Merge pull request #926 from JianfengXu/xujf/simd/1914

[webapi][XWALK-1914] update 21 case status for SIMD