Filter streamtype for tv channels
ex: http://xxx.xxx.xxx.xxx/[API KEY]/tvChannels/[GROUP KEY]/?type=m3u8&streamtype=mp4
returns a list of channels in mp4 format in m3u8 format
ex: http://xxx.xxx.xxx.xxx/[API KEY]/tvChannels/[GROUP KEY]/?type=m3u8&streamtype=mp4
returns a list of channels in mp4 format in m3u8 format