Add TIZEN Tap sound feature

To provide responsiveness upon user interaction, Tizen plays sounds when a user taps an specific element.
https://developer.tizen.org/help/index.jsp?topic=%2Forg.tizen.web.appprogramming%2Fhtml%2Fbasics_tizen_programming%2Ftap_sound_policy.htm
Merge pull request #2 from SanghyupLee/master

Add TIZEN Tap sound feature