Use get_btm_client_interface for security calls am: b914dd51 am: 17cb9d4c...

Use get_btm_client_interface for security calls am: b914dd51 am: 17cb9d4c am: 4d887049 am: 6d944b57 am: 95a4b05b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2786422



Change-Id: I39a251818eab0470994d43e3e5a192b9002aa56c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>