* changes:
Move decls to ble_hci interface
Locally link and remove unused funcs stack/btm/btm_ble_privacy
Remove duplicate decls stack/btm/btm_ble_int
Move function decls with usage stack/btm::
Explictly provide ble extern declarations
Move stack/btm/btm_ble_addr::btm_ble_refresh_raddr_timer_timeout