Merge "Properly init bta::av::bta_av_aact message structures 16/20" am: 6cd9a9b2

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2326213



Change-Id: I5b0530a77fd036c3ca5908373658f7f4b9fb979a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>