bluetooth: Expose service data from BlueZ

device/bluetooth/dbus/bluetooth_device_client.h

Index: device/bluetooth/dbus/bluetooth_device_client.h
diff --git a/device/bluetooth/dbus/bluetooth_device_client.h b/device/bluetooth/dbus/bluetooth_device_client.h
index e53ff0b38bd3d736e9331ca22576c202f619d9df..4069ae9ed3727e013a9739d8be135cfd9219a04a 100644
--- a/device/bluetooth/dbus/bluetooth_device_client.h
+++ b/device/bluetooth/dbus/bluetooth_device_client.h
@@ -8,6 +8,7 @@
 #include <stdint.h>
 
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 #include "base/callback.h"
@@ -108,6 +109,11 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDeviceClient : public BluezDBusClient {
     // discovered during inquiry. Read-only.
     dbus::Property<int16_t> rssi;
 
+    // Service advertisement data. Keys are the UUIDs in string format followed
+    // by its byte array value. Read-only.
+    dbus::Property<std::unordered_map<std::string, std::vector<uint8_t>>>
+        service_data;
+
     // Indicate whether or not service discovery has been resolved. Read-only.
     dbus::Property<bool> services_resolved;