Replace BTM_INQ_RESULT_[BLE|BR] with common definition

stack/include/bt_device_type.h:
enum {
  BT_DEVICE_TYPE_UNKNOWN = 0,
  BT_DEVICE_TYPE_BREDR = (1 << 0),
  BT_DEVICE_TYPE_BLE = (1 << 1),
  BT_DEVICE_TYPE_DUMO = BT_DEVICE_TYPE_BREDR | BT_DEVICE_TYPE_BLE,
};

Bug: 322366476
Test: m .
Flag: EXEMPT, preprocessor equivalent

Change-Id: I5193e09ce00f688b656b8cc665e1bb4864f87709