[automerger skipped] Revert "SMP: Calculate LTK on BR SMP begin" am: 52141463 -s ours am: 53f74861 -s ours

am skip reason: Merged-In I296d0fe642d91088ea90dbda24e82f9044ad5ba0 with SHA-1 8b110ea0 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18702197



Change-Id: I4642254692778186ea90ee62a434069378e462b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>