[webapi] Integrate 149 tests for FileSystemAPI

Impacted tests(approved): new 149, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 149, fail 0, block 0
[usecase][xwalk-1326] Backup usecase of CSS Style Attribute

- This test case will be removed from demo-express(https://github.com/crosswalk-project/demo-express/pull/30), backup it as 'designed' in usecase
[webapi] Add 10 P2 tests for Battery Status API

Impacted tests(approved): new 10, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 10, fail 0, block 0
[webapi] Integrate 23 tests for CSS3 Transitions

 - These tests come frome http://svn.webkit.org/repository/webkit/trunk/LayoutTests/transitions/

Impacted tests(approved): new 23, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 23, fail 0, block 0
[webapi][XWALK-2865] Intgrate 76 SIMD tests from upstream

Fail Reason: the new feature is not implemented.

Impacted TCs num(approved): New 76, Update 0, Delete 0
Unit test Platform: [Andriod]
Unit test result summary: Pass 0, Fail 76, Blocked 0
[webapi] Add new suite for picture element
Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [IVI][Android]
Unit test result summary: pass 1, fail 0, block 0
[stability] Merge 3 stablonglast android suites into one and update the component
[webapi][XWALK-2939] Update 1 case for webaudio

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: [Tizen-IVI]
Unit test result summary: Pass 1, Fail 0, Blocked 0
[usecase] Add 1 usecase for Picture Element
Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 0, fail 1, block 0
Comment: The image of source element can't be displayed normally
when the device width conform to the media strategy.
[webapi] Add 1 P2 test for Media Render API
Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 1, fail 0, block 0
[usecase][TC-1813] Add 1 usecase for Locale API

Impacted tests(approved) : new 1, update 0, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 1, fail 0, block 0
Merge pull request #1358 from kangxu/kangxu/usecase/usecase-webapi-xwalk-tests/Locale

[usecase][TC-1813] Add 1 usecase for Locale API
Merge pull request #1352 from Honry/rename-merge-stability-longlasting-andriod

[stability] Merge 3 stablonglast android suites into one and update the ...
[webapi][TC-1813] Add 1 P1 test for Locale API

Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [IVI]
Unit test summary: pass 1, fail 0, block 0
Merge pull request #1356 from kangxu/kangxu/webapi-locale-tizen-tests/update

[webapi] [TC-1813]Add 1 P1 test for Locale API
Merge pull request #1355 from kangxu/kangxu/webapi/webapi-mediarenderer-tizen-tests/fixGap

[webapi] Add 1 P2 test for Media Render API
Merge pull request #1354 from JianfengXu/webaudio/2939

[webapi][XWALK-2939] Update 1 case for webaudio
Merge pull request #1351 from kangxu/kangxu/usecase/usecase-webapi-xwalk-tests/new

[usecase] Add 1 usecase for Picture Element
Merge pull request #1346 from JianfengXu/simd/2865

[webapi][XWALK-2865] Intgrate 76 SIMD tests from upstream
Merge pull request #1339 from yunxiaoxie/move-up-transitions

[webapi] Integrate 23 tests for CSS3 Transitions