Merge "Close DirectoryStream in ActivityThread after use." am: f7da9fd026 am: 6fe40cf6d6 am: c6de1881da

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2509995

Change-Id: I287d2d1a5460a3694ea51d2588219efb0b2f76fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

core/java/android/app/ActivityThread.java

@@ -240,6 +240,7 @@ import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Method;
 import java.net.InetAddress;
+import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
@@ -4352,18 +4353,20 @@ public final class ActivityThread extends ClientTransactionHandler
 
     static void handleAttachStartupAgents(String dataDir) {
         try {
-            Path code_cache = ContextImpl.getCodeCacheDirBeforeBind(new File(dataDir)).toPath();
-            if (!Files.exists(code_cache)) {
+            Path codeCache = ContextImpl.getCodeCacheDirBeforeBind(new File(dataDir)).toPath();
+            if (!Files.exists(codeCache)) {
                 return;
             }
-            Path startup_path = code_cache.resolve("startup_agents");
-            if (Files.exists(startup_path)) {
-                for (Path p : Files.newDirectoryStream(startup_path)) {
-                    handleAttachAgent(
-                            p.toAbsolutePath().toString()
-                            + "="
-                            + dataDir,
-                            null);
+            Path startupPath = codeCache.resolve("startup_agents");
+            if (Files.exists(startupPath)) {
+                try (DirectoryStream<Path> startupFiles = Files.newDirectoryStream(startupPath)) {
+                    for (Path p : startupFiles) {
+                        handleAttachAgent(
+                                p.toAbsolutePath().toString()
+                                        + "="
+                                        + dataDir,
+                                null);
+                    }
                 }
             }
         } catch (Exception e) {