Merge "Fix a potential null pointer dereference in...

Merge "Fix a potential null pointer dereference in btif_hf_client_upstreams_evt." into main am: 5d9b89e7 am: 1df63f8d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3194532



Change-Id: Idf8c745d560fef6c7c8e2df340ac19757cca23f0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>