libaudiohal@aidl: Fix handling of transient patch updates am: 0be9192f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/27582384



Change-Id: Ie82e7b65fdfeede4a6a27b9621b663cd88d25bcc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>