Audio Player - Music play

Sep 25, 2018

v2.1.5 upgraded libraries, removed advertising ID logging to Google Analytics that triggered a Google Play policy violation warning on "Usage of Android Advertising ID policy and section 4.8 of the Developer Distribution Agreement"

v2.1.4 just corrects a pair of bugs happening on empty track lists

v2.1.3 Audio Play release provides
- autoscroll to the current playing track on track lists
- bug corrections
- upgraded libraries