Revert "caf: audio_extn_usb_stop_capture takes 0 arguments"

Not sure why we have this, I assume CM had it at one point. Breaks hlte
This reverts commit a50b71e044b911fc6d383bd9e7c7ce7eff6ded70.

Change-Id: Ic86d1b93efa816d56b1ce771782002056f2df3f2
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>