[automerger skipped] AudioFlinger: Update AudioFlinger class includes am: 9a557a26aa -s ours

am skip reason: Merged-In Idfa767f596ef6c6155664d06cbf177183cc08155 with SHA-1 9a57fc3408 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24427809

Change-Id: Idcc9ac16b58f3e336eeaed84e6c7e245f24ea7bf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>