[Invisalign2] move btm_ble_sec apis signatures to btm_ble_sec.h am: 251409be...

[Invisalign2] move btm_ble_sec apis signatures to btm_ble_sec.h am: 251409be am: 5f0bd2ce am: d014757c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2853883



Change-Id: If49826d70230461f8964afa8ecb259abd20cedb6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>