[CQ] DeviceDaemon: remove unnecessary suppression (#8508)

Removes redundant suppression.

<img width="900" height="164" alt="image" src="https://github.com/user-attachments/assets/595c7f5b-e7d9-42bd-9d42-1f0f5fb336a2" />
---

<details>
  <summary>Contribution guidelines:</summary><br>

- See our [contributor guide]([https://github.com/dart-lang/sdk/blob/main/CONTRIBUTING.md](https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview) for general expectations for PRs.
- Larger or significant changes should be discussed in an issue before creating a PR.
- Dart contributions to our repos should follow the [Dart style guide](https://dart.dev/guides/language/effective-dart) and use `dart format`.
- Java and Kotlin contributions should strive to follow Java and Kotlin best practices ([discussion](#8098)).
</details>

Author: pq

src/io/flutter/run/daemon/DeviceDaemon.java

@@ -41,7 +41,11 @@
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
-import java.util.concurrent.*;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
@@ -117,7 +121,8 @@ boolean needRestart(@NotNull Command next) {
    */
   void shutdown() {
     if (!process.isProcessTerminated()) {
-      LOG.info("shutting down Flutter device daemon #" + id + ": " + command.toString(FlutterSettings.getInstance().isFilePathLoggingEnabled()));
+      LOG.info(
+        "shutting down Flutter device daemon #" + id + ": " + command.toString(FlutterSettings.getInstance().isFilePathLoggingEnabled()));
     }
     listener.running.set(false);
     process.destroyProcess();
@@ -209,7 +214,6 @@ DeviceDaemon start(Supplier<Boolean> isCancelled,
                        Runnable deviceChanged,
                        Consumer<String> processStopped) throws ExecutionException {
       final int daemonId = nextDaemonId.incrementAndGet();
-      //noinspection UnnecessaryToStringCall
       LOG.info("starting Flutter device daemon #" + daemonId + ": " + toString(FlutterSettings.getInstance().isFilePathLoggingEnabled()));
       // The mostly silent process handler reduces CPU usage of the daemon process.
       final ProcessHandler process = new MostlySilentColoredProcessHandler(toCommandLine());