ExoPlayer throws load error while playing SmoothStreaming LIVE contents
Description:

ExoPlayer keeps throwing "Load Error" while playing smooth streaming live contents.

Player Version : 1.5.12
URL used : http://telecolor.econcept.it/live/primarete.isml/manifest
Android OS : Android 5.1.1
Device : Samsung note 3

Steps to Reproduce:

1. Play any smooth streaming live URL
2. Validate the logs of onLoadError() method.
3. Player keeps throwing LoadError multiple times
