Merge "Fixes null pointer dereferences introduced when moving scanning...

Merge "Fixes null pointer dereferences introduced when moving scanning callbacks into their own object." into main am: f742a42b am: 77a71ee3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3035652



Change-Id: I66dee733247bfae05fc9b7e7154dee365a6baf5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>