Merge "le_impl: de-duplicate connection complete code" into main am: 42aeac6a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2958808



Change-Id: Ia4d9fc5e444bb69259b8200657c3e8184d3d6492
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>