Merge "floss: Add generic adapter property changed callback." am: 9e378c2d...

Merge "floss: Add generic adapter property changed callback." am: 9e378c2d am: b1638921 am: 413fdcda

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2120683



Change-Id: Idd6b1350acc34772059e694dd002d8bbdefd48d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>