LeAudio/multicodec: Fix the async data path getter API am: 4856308c50 am: c5dc2882df

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2897465

Change-Id: Ia092eb2a77e9f4a15f8ea1adb8cb0a471be33480
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>