hlsdemux: No support for MP4/ISOBMFF streams

Submitted by Jimmy Ohn

Description

I have a problem with GStreamer 1.11.0.1 and HLS test stream to be played.
I'm using playbin and playbin3 that doesn't work with below uri. this is a advanced HLS test stream which is provided from Apple(https://developer.apple.com/streaming/examples/).

<fMP4>
gst-launch-1.0 playbin uri=http://tungsten.aaplimg.com/VOD/bipbop_adv_fmp4_example/master.m3u8