last exo player commit:
f72ca833
change ExoPlayerImpl.java
change Player.java
add VideoListener.java
add support VideoListener
custom AspectRatioFrameLayout.java
change MediaCodecVideoRenderer.java
add SurfaceNotValidException.java
add hack with SurfaceNotValidException
change MP4Extractor.java
MAXIMUM_READ_AHEAD_BYTES_STREAM to 1MB