Timob 5239/11975 3-0-X: Expose res/raw + update resolveURL and sound

The BACKPORT ticket is : https://jira.appcelerator.org/browse/TIMOB-12337
This PR is for 2 tickets listed below: 
https://jira.appcelerator.org/browse/TIMOB-5239 - Testing steps is in my last comment 
https://jira.appcelerator.org/browse/TIMOB-11975