Chrome Version:10718.16.0, 68.0.3440.18 
OS: Chrome/Crostini
Device: Eve

What steps will reproduce the problem?
(1) Install crostini
(2) Open terminal and install VLC using "sudo apt-get install vlc"
(3) After successful installation, VLC icon appeared in launch
(4) Copy some local audio/video files into linux folder
(5) Access those media files from VLC
(6) Play audio/video file


What is the expected result?
-- Audio output

What happens instead?

-- No audio(silent), but video is working. Regular Chromeos audio working without any issue.

Please use labels and text to provide additional information.
Feedback report: 85489559374

Note: Same issue observed playing audio file using "aplay".