Added some audio sync improvmenets
Added some audio sync improvmenets

Summary: Better audio sync. Removed wrong method MIN_SLEEP_TIME_MS.
It should not be used at all. Now implementation use
MIN_SLEEP_TIME_US. Now we give 100ms to push audio to buffers and
let play.

Change-Id: Id2d724a308b2e149e6f06912429a4a0c0218305b

hank5000/VPlayer_lib,matthewn4444/VPlayer_lib,matthewn4444/VPlayer_lib,matthewn4444/VPlayer_lib,matthewn4444/VPlayer_lib,hank5000/VPlayer_lib,hank5000/VPlayer_lib,hank5000/VPlayer_lib