[webapi] Add 5 new tests for video from w3c

- These tests from tests come from https://github.com/w3c/web-platform-tests/tree/master/html/semantics/embedded-content/media-elements (commit 5caa5d10e06703a0175bfea7ada3afa392debacb)
- Romove case video/video_loop_no_effect_by_controller.html, since check point same with video/w3c/video_loop_current_media_controller-manual.html

Impacted tests(approved): new 5, update 0, delete 1
Unit test platform: [android] crosswalk-10.38.222
Unit test result summary: pass 5, fail 0, block 0