Merge "libaudiohal: Remove unused 'using' directive" into udc-dev am: 10207c29 am: 7fd05d22

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/21947202



Change-Id: Id32be88305c9e361b45fedd2e06023bea1b39f68
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>