Cross Reference: /system/media/audio_utils

`Name`	`Date`	`Size`
Up to higher level directory
`Android.mk`	17-Dec-2011	`404`
`echo_reference.c`	17-Dec-2011	`19K`
`include/`	17-Dec-2011
`resampler.c`	17-Dec-2011	`9.6K`