arc: bluetooth: Expose missing advertise data.

device/bluetooth/bluetooth_device.cc

Index: device/bluetooth/bluetooth_device.cc
diff --git a/device/bluetooth/bluetooth_device.cc b/device/bluetooth/bluetooth_device.cc
index ee4aca5277565d6dcb79c99e278ebf40e1c95b58..c87ff92e4e8ca5efe15b233e87229d853d8f54eb 100644
--- a/device/bluetooth/bluetooth_device.cc
+++ b/device/bluetooth/bluetooth_device.cc
@@ -312,6 +312,11 @@ const std::vector<uint8_t>* BluetoothDevice::GetServiceDataForUUID(
   return nullptr;
 }
 
+std::unordered_map<uint16_t, std::vector<uint8_t>>
+BluetoothDevice::GetManufacturerData() const {
+  return std::unordered_map<uint16_t, std::vector<uint8_t>>();
+}
+
 base::Optional<int8_t> BluetoothDevice::GetInquiryRSSI() const {
   return inquiry_rssi_;
 }
@@ -320,6 +325,10 @@ base::Optional<int8_t> BluetoothDevice::GetInquiryTxPower() const {
   return inquiry_tx_power_;
 }
 
+base::Optional<uint8_t> BluetoothDevice::GetFlags() const {
+  return base::nullopt;
+}
+
 void BluetoothDevice::CreateGattConnection(
     const GattConnectionCallback& callback,
     const ConnectErrorCallback& error_callback) {