Merge "AudioFlinger: Move small files to afutils" into udc-dev-plus-aosp am:...

Merge "AudioFlinger: Move small files to afutils" into udc-dev-plus-aosp am: 214043ff am: c653f315

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23742873



Change-Id: Ica93a06092f1144e7c8a0b213d06698bf0e63a6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>