bt: Add late bonding confirmation mechanism am: 63d37a3d am: f38b1680 am: e13e2750

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23276700



Change-Id: I66f1a80109916a81e5620572f477b3f44866f370
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>