- Use byte range format if segment_template is not set in MediaInfo.
- Change HlsNotifier::NotifyNewSegment() to take start byte offset.
- Change HlsNotifyMuxerListener to cache the segment information if
MuxerOptions::segment_template is set.
Change-Id: Ida1b8b9198acc5c43e3a5d9a641c78c81bc9a6ac