Mantis #3935 : WIP Audio Channel Count for Internal Blu-ray.
Merge remote-tracking branch 'remotes/upstream/FEAT-3935-Add_audio_channel_count_information_for_the_Blu-ray_audio_streams' into 1.4.0Fork_SEB_half_EXP

Conflicts:
	DirectShowFilters/BDReader/source/BDReader.cpp
	DirectShowFilters/BDReader/source/BDReader.h
	mediaportal/Core/Player/BDPlayer.cs