Merge changes Ie1b2f0f6,I5f115595,I7c766087,If341f69a,Idba0190c, ...

* changes:
  Use acl_create_le_connection_with_id
  Add acl_create_le_connection_with_id
  Plumb through acl_create|cancel_le_connection
  Add bd_features_text
  Remove def stack/hcic/hcicmds::BT_10A
  Proper interface around disconnect_reason
  Use tHCI_STATUS in btm_sec_disconnect
  Allow gd acl to take DISCONNECT when enabled
  Connect main/shim/acl_legacy_interface::acl_ble_enhanced_connection_complete_from_shim
  Add stack/acl/btm_acl::btm_acl_disconnected