Merge "Remove interrupter." into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 8ced596..ff3a34b 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -49,7 +49,7 @@
         "android.media.tv.flags-aconfig-java",
         "android.multiuser.flags-aconfig-java",
         "android.net.platform.flags-aconfig-java",
-        "android.net.vcn.flags-aconfig-java",
+        "android.net.vcn.flags-aconfig-java-export",
         "android.net.wifi.flags-aconfig-java",
         "android.nfc.flags-aconfig-java",
         "android.os.flags-aconfig-java",
@@ -1063,16 +1063,21 @@
 }
 
 // VCN
+// TODO:376339506 Move the VCN code, the flag declaration and
+// java_aconfig_library to framework-connectivity-b
 aconfig_declarations {
     name: "android.net.vcn.flags-aconfig",
     package: "android.net.vcn",
-    container: "system",
+    container: "com.android.tethering",
+    exportable: true,
     srcs: ["core/java/android/net/vcn/*.aconfig"],
 }
 
 java_aconfig_library {
-    name: "android.net.vcn.flags-aconfig-java",
+    name: "android.net.vcn.flags-aconfig-java-export",
     aconfig_declarations: "android.net.vcn.flags-aconfig",
+    mode: "exported",
+    min_sdk_version: "35",
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
diff --git a/core/api/current.txt b/core/api/current.txt
index 280e996..b927c06 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -33261,7 +33261,7 @@
   }
 
   public interface IBinder {
-    method @FlaggedApi("android.os.binder_frozen_state_change_callback") public default void addFrozenStateChangeCallback(@NonNull android.os.IBinder.FrozenStateChangeCallback) throws android.os.RemoteException;
+    method @FlaggedApi("android.os.binder_frozen_state_change_callback") public default void addFrozenStateChangeCallback(@NonNull java.util.concurrent.Executor, @NonNull android.os.IBinder.FrozenStateChangeCallback) throws android.os.RemoteException;
     method public void dump(@NonNull java.io.FileDescriptor, @Nullable String[]) throws android.os.RemoteException;
     method public void dumpAsync(@NonNull java.io.FileDescriptor, @Nullable String[]) throws android.os.RemoteException;
     method @Nullable public String getInterfaceDescriptor() throws android.os.RemoteException;
@@ -33885,6 +33885,7 @@
     method public void finishBroadcast();
     method public Object getBroadcastCookie(int);
     method public E getBroadcastItem(int);
+    method @FlaggedApi("android.os.binder_frozen_state_change_callback") @Nullable public java.util.concurrent.Executor getExecutor();
     method @FlaggedApi("android.os.binder_frozen_state_change_callback") public int getFrozenCalleePolicy();
     method @FlaggedApi("android.os.binder_frozen_state_change_callback") public int getMaxQueueSize();
     method public Object getRegisteredCallbackCookie(int);
@@ -33905,6 +33906,7 @@
   @FlaggedApi("android.os.binder_frozen_state_change_callback") public static final class RemoteCallbackList.Builder<E extends android.os.IInterface> {
     ctor public RemoteCallbackList.Builder(int);
     method @NonNull public android.os.RemoteCallbackList<E> build();
+    method @NonNull public android.os.RemoteCallbackList.Builder setExecutor(@NonNull java.util.concurrent.Executor);
     method @NonNull public android.os.RemoteCallbackList.Builder setInterfaceDiedCallback(@NonNull android.os.RemoteCallbackList.Builder.InterfaceDiedCallback<E>);
     method @NonNull public android.os.RemoteCallbackList.Builder setMaxQueueSize(int);
   }
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 744f019..2a5c533 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -4484,7 +4484,6 @@
      * @see #DISPLAY_HASH_SERVICE
      * @see android.view.displayhash.DisplayHashManager
      */
-    // TODO(b/347269120): Re-add @Nullable
     public abstract Object getSystemService(@ServiceName @NonNull String name);
 
     /**
@@ -4529,7 +4528,6 @@
      * <b>never</b> throw a {@link RuntimeException} if the name is not supported.
      */
     @SuppressWarnings("unchecked")
-    // TODO(b/347269120): Re-add @Nullable
     public final <T> T getSystemService(@NonNull Class<T> serviceClass) {
         // Because subclasses may override getSystemService(String) we cannot
         // perform a lookup by class alone.  We must first map the class to its
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index 79fa6ea..77aa628 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -953,7 +953,6 @@
     }
 
     @Override
-    // TODO(b/347269120): Re-add @Nullable
     public Object getSystemService(String name) {
         return mBase.getSystemService(name);
     }
diff --git a/core/java/android/net/vcn/flags.aconfig b/core/java/android/net/vcn/flags.aconfig
index 1b2c575..b461f95 100644
--- a/core/java/android/net/vcn/flags.aconfig
+++ b/core/java/android/net/vcn/flags.aconfig
@@ -1,5 +1,5 @@
 package: "android.net.vcn"
-container: "system"
+container: "com.android.tethering"
 
 flag {
     name: "safe_mode_config"
@@ -15,14 +15,4 @@
      description: "Expose APIs from VCN for mainline migration"
      is_exported: true
      bug: "376339506"
-}
-
-flag {
-    name: "fix_config_garbage_collection"
-    namespace: "vcn"
-    description: "Handle race condition in subscription change"
-    bug: "370862489"
-    metadata {
-      purpose: PURPOSE_BUGFIX
-    }
 }
\ No newline at end of file
diff --git a/core/java/android/os/BinderProxy.java b/core/java/android/os/BinderProxy.java
index 3b5a99e..01222cd 100644
--- a/core/java/android/os/BinderProxy.java
+++ b/core/java/android/os/BinderProxy.java
@@ -36,6 +36,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
@@ -651,28 +652,39 @@
     private native boolean unlinkToDeathNative(DeathRecipient recipient, int flags);
 
     /**
-     * This list is to hold strong reference to the frozen state callbacks. The callbacks are only
-     * weakly referenced by JNI so the strong references here are needed to keep the callbacks
-     * around until the proxy is GC'ed.
+     * This map is to hold strong reference to the frozen state callbacks.
+     *
+     * The callbacks are only weakly referenced by JNI so the strong references here are needed to
+     * keep the callbacks around until the proxy is GC'ed.
+     *
+     * The key is the original callback passed into {@link #addFrozenStateChangeCallback}. The value
+     * is the wrapped callback created in {@link #addFrozenStateChangeCallback} to dispatch the
+     * calls on the desired executor.
      */
-    private List<FrozenStateChangeCallback> mFrozenStateChangeCallbacks =
-            Collections.synchronizedList(new ArrayList<>());
+    private Map<FrozenStateChangeCallback, FrozenStateChangeCallback> mFrozenStateChangeCallbacks =
+            Collections.synchronizedMap(new HashMap<>());
 
     /**
      * See {@link IBinder#addFrozenStateChangeCallback(FrozenStateChangeCallback)}
      */
-    public void addFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+    public void addFrozenStateChangeCallback(Executor executor, FrozenStateChangeCallback callback)
             throws RemoteException {
-        addFrozenStateChangeCallbackNative(callback);
-        mFrozenStateChangeCallbacks.add(callback);
+        FrozenStateChangeCallback wrappedCallback = (who, state) ->
+                executor.execute(() -> callback.onFrozenStateChanged(who, state));
+        addFrozenStateChangeCallbackNative(wrappedCallback);
+        mFrozenStateChangeCallbacks.put(callback, wrappedCallback);
     }
 
     /**
      * See {@link IBinder#removeFrozenStateChangeCallback}
      */
-    public boolean removeFrozenStateChangeCallback(FrozenStateChangeCallback callback) {
-        mFrozenStateChangeCallbacks.remove(callback);
-        return removeFrozenStateChangeCallbackNative(callback);
+    public boolean removeFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+            throws IllegalArgumentException {
+        FrozenStateChangeCallback wrappedCallback = mFrozenStateChangeCallbacks.remove(callback);
+        if (wrappedCallback == null) {
+            throw new IllegalArgumentException("callback not found");
+        }
+        return removeFrozenStateChangeCallbackNative(wrappedCallback);
     }
 
     private native void addFrozenStateChangeCallbackNative(FrozenStateChangeCallback callback)
diff --git a/core/java/android/os/IBinder.java b/core/java/android/os/IBinder.java
index a997f4c..8cfd324 100644
--- a/core/java/android/os/IBinder.java
+++ b/core/java/android/os/IBinder.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.annotation.CallbackExecutor;
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -25,6 +26,7 @@
 import java.io.FileDescriptor;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.concurrent.Executor;
 
 /**
  * Base interface for a remotable object, the core part of a lightweight
@@ -397,12 +399,31 @@
         @interface State {
         }
 
+        /**
+         * Represents the frozen state of the remote process.
+         *
+         * While in this state, the remote process won't be able to receive and handle a
+         * transaction. Therefore, any asynchronous transactions will be buffered and delivered when
+         * the process is unfrozen, and any synchronous transactions will result in an error.
+         *
+         * Buffered transactions may be stale by the time that the process is unfrozen and handles
+         * them. To avoid overwhelming the remote process with stale events or overflowing their
+         * buffers, it's best to avoid sending binder transactions to a frozen process.
+         */
         int STATE_FROZEN = 0;
+
+        /**
+         * Represents the unfrozen state of the remote process.
+         *
+         * In this state, the process hosting the object can execute and is not restricted
+         * by the freezer from using the CPU or responding to binder transactions.
+         */
         int STATE_UNFROZEN = 1;
 
         /**
          * Interface for receiving a callback when the process hosting an IBinder
          * has changed its frozen state.
+         *
          * @param who The IBinder whose hosting process has changed state.
          * @param state The latest state.
          */
@@ -427,16 +448,32 @@
      * <p>You will only receive state change notifications for remote binders, as local binders by
      * definition can't be frozen without you being frozen too.</p>
      *
+     * @param executor The executor on which to run the callback.
+     * @param callback The callback used to deliver state change notifications.
+     *
      * <p>@throws {@link UnsupportedOperationException} if the kernel binder driver does not support
      * this feature.
      */
     @FlaggedApi(Flags.FLAG_BINDER_FROZEN_STATE_CHANGE_CALLBACK)
-    default void addFrozenStateChangeCallback(@NonNull FrozenStateChangeCallback callback)
+    default void addFrozenStateChangeCallback(
+            @NonNull @CallbackExecutor Executor executor,
+            @NonNull FrozenStateChangeCallback callback)
             throws RemoteException {
         throw new UnsupportedOperationException();
     }
 
     /**
+     * Same as {@link #addFrozenStateChangeCallback(Executor, FrozenStateChangeCallback)} except
+     * that callbacks are invoked on a binder thread.
+     *
+     * @hide
+     */
+    default void addFrozenStateChangeCallback(@NonNull FrozenStateChangeCallback callback)
+            throws RemoteException {
+        addFrozenStateChangeCallback(Runnable::run, callback);
+    }
+
+    /**
      * Unregister a {@link FrozenStateChangeCallback}. The callback will no longer be invoked when
      * the hosting process changes its frozen state.
      */
diff --git a/core/java/android/os/RemoteCallbackList.java b/core/java/android/os/RemoteCallbackList.java
index 91c482fa..d5630fd 100644
--- a/core/java/android/os/RemoteCallbackList.java
+++ b/core/java/android/os/RemoteCallbackList.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.annotation.CallbackExecutor;
 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -29,6 +30,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.util.Queue;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executor;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
@@ -134,6 +136,7 @@
 
     private final @FrozenCalleePolicy int mFrozenCalleePolicy;
     private final int mMaxQueueSize;
+    private final Executor mExecutor;
 
     private final class Interface implements IBinder.DeathRecipient,
             IBinder.FrozenStateChangeCallback {
@@ -197,7 +200,7 @@
         void maybeSubscribeToFrozenCallback() throws RemoteException {
             if (mFrozenCalleePolicy != FROZEN_CALLEE_POLICY_UNSET) {
                 try {
-                    mBinder.addFrozenStateChangeCallback(this);
+                    mBinder.addFrozenStateChangeCallback(mExecutor, this);
                 } catch (UnsupportedOperationException e) {
                     // The kernel does not support frozen notifications. In this case we want to
                     // silently fall back to FROZEN_CALLEE_POLICY_UNSET. This is done by simply
@@ -237,6 +240,7 @@
         private @FrozenCalleePolicy int mFrozenCalleePolicy;
         private int mMaxQueueSize = DEFAULT_MAX_QUEUE_SIZE;
         private InterfaceDiedCallback mInterfaceDiedCallback;
+        private Executor mExecutor;
 
         /**
          * Creates a Builder for {@link RemoteCallbackList}.
@@ -285,6 +289,18 @@
         }
 
         /**
+         * Sets the executor to be used when invoking callbacks asynchronously.
+         *
+         * This is only used when callbacks need to be invoked asynchronously, e.g. when the process
+         * hosting a callback becomes unfrozen. Callbacks that can be invoked immediately run on the
+         * same thread that calls {@link #broadcast} synchronously.
+         */
+        public @NonNull Builder setExecutor(@NonNull @CallbackExecutor Executor executor) {
+            mExecutor = executor;
+            return this;
+        }
+
+        /**
          * For notifying when the process hosting a callback interface has died.
          *
          * @param <E> The remote callback interface type.
@@ -308,15 +324,21 @@
          * @return The built {@link RemoteCallbackList} object.
          */
         public @NonNull RemoteCallbackList<E> build() {
+            Executor executor = mExecutor;
+            if (executor == null && mFrozenCalleePolicy != FROZEN_CALLEE_POLICY_UNSET) {
+                // TODO Throw an exception here once the existing API caller is updated to provide
+                // an executor.
+                executor = new HandlerExecutor(Handler.getMain());
+            }
             if (mInterfaceDiedCallback != null) {
-                return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize) {
+                return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize, executor) {
                     @Override
                     public void onCallbackDied(E deadInterface, Object cookie) {
                         mInterfaceDiedCallback.onInterfaceDied(this, deadInterface, cookie);
                     }
                 };
             }
-            return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize);
+            return new RemoteCallbackList<E>(mFrozenCalleePolicy, mMaxQueueSize, executor);
         }
     }
 
@@ -341,13 +363,23 @@
     }
 
     /**
+     * Returns the executor used when invoking callbacks asynchronously.
+     *
+     * @return The executor.
+     */
+    @FlaggedApi(Flags.FLAG_BINDER_FROZEN_STATE_CHANGE_CALLBACK)
+    public @Nullable Executor getExecutor() {
+        return mExecutor;
+    }
+
+    /**
      * Creates a RemoteCallbackList with {@link #FROZEN_CALLEE_POLICY_UNSET}. This is equivalent to
      * <pre>
      * new RemoteCallbackList.Build(RemoteCallbackList.FROZEN_CALLEE_POLICY_UNSET).build()
      * </pre>
      */
     public RemoteCallbackList() {
-        this(FROZEN_CALLEE_POLICY_UNSET, DEFAULT_MAX_QUEUE_SIZE);
+        this(FROZEN_CALLEE_POLICY_UNSET, DEFAULT_MAX_QUEUE_SIZE, null);
     }
 
     /**
@@ -362,10 +394,14 @@
      * recipient's process is frozen. Once the limit is reached, the oldest callbacks would be
      * dropped to keep the size under limit. Ignored except for
      * {@link #FROZEN_CALLEE_POLICY_ENQUEUE_ALL}.
+     *
+     * @param executor The executor used when invoking callbacks asynchronously.
      */
-    private RemoteCallbackList(@FrozenCalleePolicy int frozenCalleePolicy, int maxQueueSize) {
+    private RemoteCallbackList(@FrozenCalleePolicy int frozenCalleePolicy, int maxQueueSize,
+            @CallbackExecutor Executor executor) {
         mFrozenCalleePolicy = frozenCalleePolicy;
         mMaxQueueSize = maxQueueSize;
+        mExecutor = executor;
     }
 
     /**
diff --git a/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java b/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
index fe54aa8..945147d 100644
--- a/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
+++ b/core/tests/coretests/BinderFrozenStateChangeCallbackTestApp/src/com/android/frameworks/coretests/bfscctestapp/BfsccTestAppCmdService.java
@@ -18,6 +18,8 @@
 
 import android.app.Service;
 import android.content.Intent;
+import android.os.Handler;
+import android.os.HandlerExecutor;
 import android.os.IBinder;
 import android.os.RemoteException;
 
@@ -36,6 +38,7 @@
         @Override
         public void listenTo(IBinder binder) throws RemoteException {
             binder.addFrozenStateChangeCallback(
+                    new HandlerExecutor(Handler.getMain()),
                     (IBinder who, int state) -> mNotifications.offer(state));
         }
 
diff --git a/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java b/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
index 195a18a..523fe1a 100644
--- a/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
+++ b/core/tests/coretests/src/android/os/BinderFrozenStateChangeNotificationTest.java
@@ -200,7 +200,7 @@
         IBinder.FrozenStateChangeCallback callback =
                 (IBinder who, int state) -> results.offer(who);
         try {
-            binder.addFrozenStateChangeCallback(callback);
+            binder.addFrozenStateChangeCallback(new HandlerExecutor(Handler.getMain()), callback);
         } catch (UnsupportedOperationException e) {
             return;
         }
@@ -227,7 +227,7 @@
             final IBinder.FrozenStateChangeCallback callback =
                     (IBinder who, int state) ->
                             queue.offer(state == IBinder.FrozenStateChangeCallback.STATE_FROZEN);
-            binder.addFrozenStateChangeCallback(callback);
+            binder.addFrozenStateChangeCallback(new HandlerExecutor(Handler.getMain()), callback);
             return callback;
         } catch (UnsupportedOperationException e) {
             return null;
diff --git a/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java b/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
index d007067..f888c9b 100644
--- a/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
+++ b/core/tests/coretests/src/com/android/internal/os/BinderDeathDispatcherTest.java
@@ -42,6 +42,7 @@
 import org.junit.runner.RunWith;
 
 import java.io.FileDescriptor;
+import java.util.concurrent.Executor;
 
 @SmallTest
 @RunWith(AndroidJUnit4.class)
@@ -125,7 +126,7 @@
         }
 
         @Override
-        public void addFrozenStateChangeCallback(FrozenStateChangeCallback callback)
+        public void addFrozenStateChangeCallback(Executor e, FrozenStateChangeCallback callback)
                 throws RemoteException {
         }
 
diff --git a/nfc/java/android/nfc/cardemulation/CardEmulation.java b/nfc/java/android/nfc/cardemulation/CardEmulation.java
index e9ec721..24ff7ab 100644
--- a/nfc/java/android/nfc/cardemulation/CardEmulation.java
+++ b/nfc/java/android/nfc/cardemulation/CardEmulation.java
@@ -947,7 +947,7 @@
      *
      * @param service The ComponentName of the service
      * @param status  true to enable, false to disable
-     * @return true if preferred service is successfully set or unset, otherwise return false.
+     * @return status code defined in {@link SetServiceEnabledStatusCode}
      *
      * @hide
      */
diff --git a/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java b/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
index 1c1f157..979076e 100644
--- a/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
+++ b/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
@@ -67,6 +67,7 @@
 import com.android.server.LocalServices;
 import com.android.server.compat.PlatformCompat;
 
+import org.junit.internal.management.ManagementFactory;
 import org.junit.runner.Description;
 
 import java.io.File;
@@ -204,6 +205,8 @@
         // Some process-wide initialization. (maybe redirect stdout/stderr)
         RavenwoodCommonUtils.loadJniLibrary(LIBRAVENWOOD_INITIALIZER_NAME);
 
+        dumpCommandLineArgs();
+
         // We haven't initialized liblog yet, so directly write to System.out here.
         RavenwoodCommonUtils.log(TAG, "globalInitInner()");
 
@@ -588,4 +591,18 @@
                     + " access to system property '" + key + "' denied via RavenwoodConfig");
         }
     }
+
+    private static void dumpCommandLineArgs() {
+        Log.i(TAG, "JVM arguments:");
+
+        // Note, we use the wrapper in JUnit4, not the actual class (
+        // java.lang.management.ManagementFactory), because we can't see the later at the build
+        // because this source file is compiled for the device target, where ManagementFactory
+        // doesn't exist.
+        var args = ManagementFactory.getRuntimeMXBean().getInputArguments();
+
+        for (var arg : args) {
+            Log.i(TAG, "  " + arg);
+        }
+    }
 }
diff --git a/ravenwood/tools/ravenizer/src/com/android/platform/test/ravenwood/ravenizer/Validator.kt b/ravenwood/tools/ravenizer/src/com/android/platform/test/ravenwood/ravenizer/Validator.kt
index 8ec0932..61e254b 100644
--- a/ravenwood/tools/ravenizer/src/com/android/platform/test/ravenwood/ravenizer/Validator.kt
+++ b/ravenwood/tools/ravenizer/src/com/android/platform/test/ravenwood/ravenizer/Validator.kt
@@ -43,7 +43,7 @@
     }
     var allOk = true
 
-    log.i("Checking ${cn.name.toHumanReadableClassName()}")
+    log.v("Checking ${cn.name.toHumanReadableClassName()}")
 
     // See if there's any class that extends a legacy base class.
     // But ignore the base classes in android.test.
diff --git a/services/core/java/com/android/server/VcnManagementService.java b/services/core/java/com/android/server/VcnManagementService.java
index 06e6c8b..2012f56 100644
--- a/services/core/java/com/android/server/VcnManagementService.java
+++ b/services/core/java/com/android/server/VcnManagementService.java
@@ -48,7 +48,6 @@
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
-import android.net.vcn.Flags;
 import android.net.vcn.IVcnManagementService;
 import android.net.vcn.IVcnStatusCallback;
 import android.net.vcn.IVcnUnderlyingNetworkPolicyListener;
@@ -890,20 +889,11 @@
         while (configsIterator.hasNext()) {
             final ParcelUuid subGrp = configsIterator.next();
 
-            if (Flags.fixConfigGarbageCollection()) {
-                if (!subGroups.contains(subGrp)) {
-                    // Trim subGrps with no more subscriptions; must have moved to another subGrp
-                    logDbg("Garbage collect VcnConfig for group=" + subGrp);
-                    configsIterator.remove();
-                    shouldWrite = true;
-                }
-            } else {
-                final List<SubscriptionInfo> subscriptions = subMgr.getSubscriptionsInGroup(subGrp);
-                if (subscriptions == null || subscriptions.isEmpty()) {
-                    // Trim subGrps with no more subscriptions; must have moved to another subGrp
-                    configsIterator.remove();
-                    shouldWrite = true;
-                }
+            if (!subGroups.contains(subGrp)) {
+                // Trim subGrps with no more subscriptions; must have moved to another subGrp
+                logDbg("Garbage collect VcnConfig for group=" + subGrp);
+                configsIterator.remove();
+                shouldWrite = true;
             }
         }
 
diff --git a/tests/vcn/java/com/android/server/VcnManagementServiceTest.java b/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
index 3828a71..4ab8e6a 100644
--- a/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
+++ b/tests/vcn/java/com/android/server/VcnManagementServiceTest.java
@@ -70,7 +70,6 @@
 import android.net.NetworkCapabilities;
 import android.net.NetworkRequest;
 import android.net.Uri;
-import android.net.vcn.Flags;
 import android.net.vcn.IVcnStatusCallback;
 import android.net.vcn.IVcnUnderlyingNetworkPolicyListener;
 import android.net.vcn.VcnConfig;
@@ -293,8 +292,6 @@
         doReturn(Collections.singleton(TRANSPORT_WIFI))
                 .when(mMockDeps)
                 .getRestrictedTransports(any(), any(), any());
-
-        mSetFlagsRule.enableFlags(Flags.FLAG_FIX_CONFIG_GARBAGE_COLLECTION);
     }