Cross Reference: /cts/apps/CtsVerifier/jni/audio_loopback/audio_utils

`Name`	`Date`	`Size`
Up to higher level directory
`atomic.c`	22-Oct-2020	`1.1K`
`atomic.h`	22-Oct-2020	`949`
`fifo.c`	22-Oct-2020	`4.7K`
`fifo.h`	22-Oct-2020	`3.5K`
`roundup.c`	22-Oct-2020	`1,015`
`roundup.h`	22-Oct-2020	`864`