Merge "btif_av: Pass vector parameter as const ref" into main am: da9897ab

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3227102



Change-Id: Ia0d904de2a2ac93bff04789ca44e71a5ba956623
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>