Revert "Revert "Implement AudioTrack callback in AudioPlayer""

This reverts commit b807582a7cf76f1a95a1b28d3c4bfddfac20109e.

Reason for revert: Issue causing revert was fixed in Ifbf177ae43fa4c2a61027af6c131846961c09cd8

Change-Id: I864e4ea9b186856bc4a204b4dcc33c3cf4635582
Related-To: Ifbf177ae43fa4c2a61027af6c131846961c09cd8
5 files changed