Add unit tests for BluetoothDevice::GetPrimaryServices() etc.

device/bluetooth/bluetooth_device.h

Index: device/bluetooth/bluetooth_device.h
diff --git a/device/bluetooth/bluetooth_device.h b/device/bluetooth/bluetooth_device.h
index 8a5d0638574d8b3596bf2b7b2c114cfc58cd824c..528be9a767dac376c603f17971df81e17093f3a2 100644
--- a/device/bluetooth/bluetooth_device.h
+++ b/device/bluetooth/bluetooth_device.h
@@ -579,6 +579,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDevice {
   FRIEND_TEST_ALL_PREFIXES(BluetoothTest, GetName_NullName);
   FRIEND_TEST_ALL_PREFIXES(BluetoothTest, RemoveOutdatedDevices);
   FRIEND_TEST_ALL_PREFIXES(BluetoothTest, RemoveOutdatedDeviceGattConnect);
+  FRIEND_TEST_ALL_PREFIXES(BluetoothTest, GetPrimaryServices);
+  FRIEND_TEST_ALL_PREFIXES(BluetoothTest, GetPrimaryServicesByUUID);
+  FRIEND_TEST_ALL_PREFIXES(BluetoothTest, GetCharacteristicsByUUID);
 
   // Helper class to easily update the sets of UUIDs and keep them in sync with
   // the set of all the device's UUIDs.