Merge "audio flinger: fix initial mmap stream volume" into main am: e3f46d5bec am: 1b8bf7802d

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2829082

Change-Id: I902b91e401372b16cb4ccef45790ac63b01019fe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>