Merge "LeAudio: Fix handling mono audio allocation" into main am: a36df328

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3176580



Change-Id: I6360c1d2ace8054957e8e259d8543439bbba8327
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>