[webapi][XWALK-3095] Update xml file to fix XWALK-3095
Sync to latest the XSLT style for test case and test result

https://github.com/testkit/testkit-lite/tree/master/xsd
(commit 1d845ee6ecc08204121cdf81c5a57758ebe13929)

Format tests.xml and result.xml by `xmllint --format`
- http://xmlsoft.org/xmllint.html

Format tests.css
- http://google-styleguide.googlecode.com/svn/trunk/htmlcssguide.xml
- Indent by 2 spaces at a time
- Separate selectors and declarations by new lines

Format application.js
- http://google-styleguide.googlecode.com/svn/trunk/javascriptguide.xml
- Indent by 2 spaces at a time
- Remove trailing white spaces
Merge pull request #1424 from zqzhang/xsd-update

Sync to latest the XSLT style for test case and test result
[tools] Deprecate WRTLauncher

This tool is only referenced by xml/csv2xml.py which
shall be updated.
Merge pull request #1426 from zqzhang/wrtlauncher

[tools] Deprecate WRTLauncher
Merge pull request #1418 from JianfengXu/simd/3095

[webapi][XWALK-3095] Update xml file to fix XWALK-3095