Merge "libaudiohal@aidl: Fix handling of "unknown" position" into main am: 02aa5103

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3321233



Change-Id: I4d08f99514e56c5dcb130b94c65d0f6a7d4eade0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>