[webapi] Add tests for Vibration API from upstream

- Add 11 tests from upstream

Impacted tests(approved): new 11, update 0, delete 0
Unit test platform: [Android] crosswalk-10.38.222
Unit test result summary: pass 11, fail 0, block 0
Merge pull request #1141 from xinliux/add-vibration

[webapi] Integrate tests for Vibration API from W3C