* changes:
btm_log: Add pairing state changes
Move stack/include/bt_types::FLOW_SPEC => stack/l2c
Move stack/include/::btm_api into btm_ble_api
Include security_client_callbacks
Break out security callbacks stack/include/security_client_callbacks
Introduce stack/include/sco_client_callbacks
Add stack/acl/btm_acl::SupportTransparentSynchronousData
Expand stack/include/btm_client_interface
Add explict FALLTHROUGH_INTENDED to package
Re-log stack/rfcomm/rfc_mx_fsm::rfc_mx_sm_execute
Re-log stack/btm/btm_sec::BTM_SetSecurityLevel
Re-log stack/btm/btm_sec::btm_sec_mx_access_request
Re-log stack/btm/btm_sco::BTM_SetEScoMode
Re-log stack/btm/btm_sco::btm_send_connect_request
Re-log stack/btm/btm_ble_gap::BTM_BleGetVendorCapabilities
Re-log stack/btm/btm_ble::btm_ble_set_random_address
Re-log stack/acl/btm_pm::
Re-log bta/av/bta_av_api::BTA_AvStart
Re-log bta/ag/bta_ag_main::bta_ag_api_result
Add stack/include/btm_api_types::security_mode_text
Add stack/btm/security_device_record::security_state_text
Streamline stack/btm/btm_sco::btm_sco_connected
Enum-ify bta/include/bta_api::tBTA_DM_PM_ACTION_BITMASK
Canonicalize stack/gatt/bta_gattc_act::bta_gattc_cl_cback
Use proper types btm_sco_connected tHCI_STATUS
Use tBTA_AG_SCB::ToString
Re-log stack/btm/btm_sec::btm_sec_disconnected
Streamline stack/btm/btm_sec::btm_sec_disconnect
Stat-ify stack/gatt/att_protocol