HDMI audio does not allow simultaneous access to SimplePhone
since HDMI does not allow simultaneous access with our current setup, we need to amend Telecom Plugin's ConcurrentAccessToSoundCardAllowed(), to handle 'H' and return false.
since HDMI does not allow simultaneous access with our current setup, we need to amend Telecom Plugin's ConcurrentAccessToSoundCardAllowed(), to handle 'H' and return false.