Make //device pass "gn check"

device/test/test_device_client.cc

Index: device/test/test_device_client.cc
diff --git a/device/test/test_device_client.cc b/device/test/test_device_client.cc
index f380c2cd04bcf6b83c72e009aab18a7ebf7ca2cb..ff6933ec04558a7cc6aaf3a7d7d5852c464ec415 100644
--- a/device/test/test_device_client.cc
+++ b/device/test/test_device_client.cc
@@ -4,8 +4,12 @@
 
 #include "device/test/test_device_client.h"
 
-#include "device/hid/hid_service.h"
-#include "device/usb/usb_service.h"
+// This file unconditionally includes these headers despite conditionally
+// depending on the corresponding targets. The code below needs the destructors
+// of the classes defined even when the classes are never instantiated.
+// TODO: This should probably be done more explicitly to avoid ambiguity.
+#include "device/hid/hid_service.h"  // nogncheck
+#include "device/usb/usb_service.h"  // nogncheck
 
 namespace device {