[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
Merge pull request #1339 from yunxiaoxie/move-up-transitions

[webapi] Integrate 23 tests for CSS3 Transitions