Merge "floss: Add on_device_connection_failed callback" into main am: 731a8fec am: cbe08c72

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3291366



Change-Id: I373752577418773e7407f2d1be156f511853ad7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>