Update unit tests for BluetoothDevice::GetPrimaryServicesByUUID() etc.

device/bluetooth/bluetooth_remote_gatt_service.h

Index: device/bluetooth/bluetooth_remote_gatt_service.h
diff --git a/device/bluetooth/bluetooth_remote_gatt_service.h b/device/bluetooth/bluetooth_remote_gatt_service.h
index 722b22dddb4db926aedea1f7466829765a8387ea..41c6bb980079a83eed7d445de247e1fb3bc70630 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service.h
+++ b/device/bluetooth/bluetooth_remote_gatt_service.h
@@ -16,6 +16,7 @@ namespace device {
 
 class BluetoothDevice;
 class BluetoothRemoteGattCharacteristic;
+class BluetoothUUID;
 
 // BluetoothRemoteGattService represents a remote GATT service.
 //
@@ -50,6 +51,9 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattService
   virtual BluetoothRemoteGattCharacteristic* GetCharacteristic(
       const std::string& identifier) const = 0;
 
+  std::vector<BluetoothRemoteGattCharacteristic*> GetCharacteristicsByUUID(
+      const BluetoothUUID& characteristic_uuid);
+
  protected:
   BluetoothRemoteGattService();