audio: Improve debug logging in the AIDL version, fix bugs am: 16db9b7c am: 823d50db

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2194571



Change-Id: I0e7a948838271633fcd108e895da34b9697d2ee6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>