bluetooth: Adding #if and #endif around each tests

device/bluetooth/bluetooth_remote_gatt_service_unittest.cc

Index: device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc b/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
index 2c86e620e5b5d8e2d909151782a7751d2a9a3b87..e862c29418878edb01d699665641e99c64bfaef4 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
+++ b/device/bluetooth/bluetooth_remote_gatt_service_unittest.cc
@@ -171,7 +171,9 @@ TEST_F(BluetoothRemoteGattServiceTest,
   EXPECT_EQ(service->GetCharacteristic(char_id1),
             service->GetCharacteristic(char_id1));
 }
+#endif  // defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 
+#if defined(OS_ANDROID) || defined(OS_MACOSX) || defined(OS_WIN)
 TEST_F(BluetoothRemoteGattServiceTest, GetCharacteristicsByUUID) {
   if (!PlatformSupportsLowEnergy()) {
     LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";