Fix -Wunused-variable compiler warning am: 2868fcfab8

Original change: https://android-review.googlesource.com/c/device/google/trout/+/2861965

Change-Id: Ib251f67a77d66bd076ef00d9aeafb71d42a987ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/hal/vehicle/aidl/VirtualizedVehicleService.cpp b/hal/vehicle/aidl/VirtualizedVehicleService.cpp
index 4ed8422..94ee330 100644
--- a/hal/vehicle/aidl/VirtualizedVehicleService.cpp
+++ b/hal/vehicle/aidl/VirtualizedVehicleService.cpp
@@ -65,7 +65,7 @@
 
     constexpr auto maxConnectWaitTime = std::chrono::seconds(5);
     auto hardware = std::make_unique<GRPCVehicleHardware>(vsock->str());
-    if (const auto connected = hardware->waitForConnected(maxConnectWaitTime)) {
+    if (hardware->waitForConnected(maxConnectWaitTime)) {
         LOG(INFO) << "Connected to vsock server at " << vsock->str();
     } else {
         LOG(INFO) << "Failed to connect to vsock server at " << vsock->str()