AwesomePlayer: improve scheduling of video event to hit PTS

Change-Id: I7b19911acbde9b592b757b952d4ad63cd8efebed

AwesomePlayer: use PTS for queueBuffer

Change-Id: I1c14ad4784c799c46cf06a14b0f00c5e4d01f718
Merge "AwesomePlayer: improve scheduling of video event to hit PTS" into du44