diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 8ced596..9fc4fff 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",
@@ -90,7 +90,7 @@
         "com.android.media.flags.performance-aconfig-java",
         "com.android.media.flags.projection-aconfig-java",
         "com.android.net.thread.platform.flags-aconfig-java",
-        "com.android.ranging.flags.ranging-aconfig-java",
+        "com.android.ranging.flags.ranging-aconfig-java-export",
         "com.android.server.contextualsearch.flags-java",
         "com.android.server.flags.services-aconfig-java",
         "com.android.text.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"],
 }
 
@@ -1471,13 +1476,6 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
-// Ranging
-java_aconfig_library {
-    name: "com.android.ranging.flags.ranging-aconfig-java",
-    aconfig_declarations: "ranging_aconfig_flags",
-    defaults: ["framework-minus-apex-aconfig-java-defaults"],
-}
-
 // System Server
 aconfig_declarations {
     name: "android.systemserver.flags-aconfig",
diff --git a/Android.bp b/Android.bp
index dc48668..94e5e33 100644
--- a/Android.bp
+++ b/Android.bp
@@ -396,6 +396,8 @@
         "ext",
         "framework-updatable-stubs-module_libs_api",
         "unsupportedappusage",
+        // TODO(b/379770939): remove prod version of flags from other containers in framework
+        "aconfig_storage_stub",
     ],
     sdk_version: "core_platform",
     static_libs: [
diff --git a/cmds/interrupter/Android.bp b/cmds/interrupter/Android.bp
deleted file mode 100644
index d7f744d..0000000
--- a/cmds/interrupter/Android.bp
+++ /dev/null
@@ -1,20 +0,0 @@
-package {
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "frameworks_base_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["frameworks_base_license"],
-}
-
-cc_library_shared {
-    name: "interrupter",
-    host_supported: true,
-    srcs: ["interrupter.c"],
-    cflags: [
-        "-Wall",
-        "-Werror",
-        "-Wunused",
-        "-Wunreachable-code",
-    ],
-}
diff --git a/cmds/interrupter/interrupter.c b/cmds/interrupter/interrupter.c
deleted file mode 100644
index 8bb522a2..0000000
--- a/cmds/interrupter/interrupter.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2012, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-
-/**
- * The probability of a syscall failing from 0.0 to 1.0
- */
-#define PROBABILITY 0.9
-
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-
-/* for various intercepted calls */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include <dlfcn.h>
-
-#include "interrupter.h"
-
-static int probability = PROBABILITY * RAND_MAX;
-
-static int maybe_interrupt() {
-    if (rand() < probability) {
-        return 1;
-    }
-    return 0;
-}
-
-DEFINE_INTERCEPT(read, ssize_t, int, void*, size_t);
-DEFINE_INTERCEPT(write, ssize_t, int, const void*, size_t);
-DEFINE_INTERCEPT(accept, int, int, struct sockaddr*, socklen_t*);
-DEFINE_INTERCEPT(creat, int, const char*, mode_t);
diff --git a/cmds/interrupter/interrupter.h b/cmds/interrupter/interrupter.h
deleted file mode 100644
index 9ad0277e..0000000
--- a/cmds/interrupter/interrupter.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright 2012, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define CONCATENATE(arg1, arg2)   CONCATENATE1(arg1, arg2)
-#define CONCATENATE1(arg1, arg2)  CONCATENATE2(arg1, arg2)
-#define CONCATENATE2(arg1, arg2)  arg1##arg2
-
-#define INTERRUPTER(sym) \
-    if (real_##sym == NULL) \
-        __init_##sym(); \
-    if (maybe_interrupt()) { \
-        errno = EINTR; \
-        return -1; \
-    }
-
-#define CALL_FUNCTION_1(sym, ret, type1) \
-ret (*real_##sym)(type1) = NULL; \
-ret sym(type1 arg1) { \
-    INTERRUPTER(sym) \
-    return real_##sym(arg1); \
-}
-
-#define CALL_FUNCTION_2(sym, ret, type1, type2) \
-ret (*real_##sym)(type1, type2) = NULL; \
-ret sym(type1 arg1, type2 arg2) { \
-    INTERRUPTER(sym) \
-    return real_##sym(arg1, arg2); \
-}
-
-#define CALL_FUNCTION_3(sym, ret, type1, type2, type3) \
-ret (*real_##sym)(type1, type2, type3) = NULL; \
-ret sym(type1 arg1, type2 arg2, type3 arg3) { \
-    INTERRUPTER(sym) \
-    return real_##sym(arg1, arg2, arg3); \
-}
-
-#define CALL_FUNCTION_4(sym, ret, type1, type2, type3, type4) \
-ret (*real_##sym)(type1, type2, type3, type4) = NULL; \
-ret sym(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
-    INTERRUPTER(sym) \
-    return real_##sym(arg1, arg2, arg3, arg4); \
-}
-
-#define CALL_FUNCTION_5(sym, ret, type1, type2, type3, type4, type5) \
-ret (*real_##sym)(type1, type2, type3, type4, type5) = NULL; \
-ret sym(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) { \
-    INTERRUPTER(sym) \
-    return real_##sym(arg1, arg2, arg3, arg4, arg5); \
-}
-
-#define DEFINE_INTERCEPT_N(N, sym, ret, ...) \
-static void __init_##sym(void); \
-CONCATENATE(CALL_FUNCTION_, N)(sym, ret, __VA_ARGS__) \
-static void __init_##sym(void) { \
-    real_##sym = dlsym(RTLD_NEXT, #sym); \
-    if (real_##sym == NULL) { \
-        fprintf(stderr, "Error hooking " #sym ": %s\n", dlerror()); \
-    } \
-}
-
-#define INTERCEPT_NARG(...) INTERCEPT_NARG_N(__VA_ARGS__, INTERCEPT_RSEQ_N())
-#define INTERCEPT_NARG_N(...) INTERCEPT_ARG_N(__VA_ARGS__)
-#define INTERCEPT_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, N, ...) N
-#define INTERCEPT_RSEQ_N() 8, 7, 6, 5, 4, 3, 2, 1, 0
-
-#define DEFINE_INTERCEPT(sym, ret, ...) DEFINE_INTERCEPT_N(INTERCEPT_NARG(__VA_ARGS__), sym, ret, __VA_ARGS__)
diff --git a/core/api/current.txt b/core/api/current.txt
index 280e996..eb769cea 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -29519,6 +29519,7 @@
     method @NonNull public java.util.List<android.net.vcn.VcnUnderlyingNetworkTemplate> getVcnUnderlyingNetworkPriorities();
     method public boolean hasGatewayOption(int);
     method @FlaggedApi("android.net.vcn.safe_mode_config") public boolean isSafeModeEnabled();
+    field @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public static final int MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET = -1; // 0xffffffff
     field public static final int VCN_GATEWAY_OPTION_ENABLE_DATA_STALL_RECOVERY_WITH_MOBILITY = 0; // 0x0
   }
 
@@ -33261,7 +33262,7 @@
   }
 
   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 +33886,7 @@
     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 +33907,7 @@
   @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/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 0b891f6..529e7f9 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -260,6 +260,10 @@
 
 package android.net {
 
+  @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public final class ConnectivityFrameworkInitializerBaklava {
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public static void registerServiceWrappers();
+  }
+
   public class LocalSocket implements java.io.Closeable {
     ctor public LocalSocket(@NonNull java.io.FileDescriptor);
   }
@@ -319,6 +323,25 @@
 
 }
 
+package android.net.vcn {
+
+  @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public final class VcnTransportInfo implements android.os.Parcelable android.net.TransportInfo {
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public int describeContents();
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public long getApplicableRedactions();
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public int getMinUdpPort4500NatTimeoutSeconds();
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") @NonNull public android.net.TransportInfo makeCopy(long);
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public void writeToParcel(@NonNull android.os.Parcel, int);
+    field @FlaggedApi("android.net.vcn.mainline_vcn_module_api") @NonNull public static final android.os.Parcelable.Creator<android.net.vcn.VcnTransportInfo> CREATOR;
+  }
+
+  @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public static final class VcnTransportInfo.Builder {
+    ctor @FlaggedApi("android.net.vcn.mainline_vcn_module_api") public VcnTransportInfo.Builder();
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") @NonNull public android.net.vcn.VcnTransportInfo build();
+    method @FlaggedApi("android.net.vcn.mainline_vcn_module_api") @NonNull public android.net.vcn.VcnTransportInfo.Builder setMinUdpPort4500NatTimeoutSeconds(@IntRange(from=0x78) int);
+  }
+
+}
+
 package android.nfc {
 
   public class NfcServiceManager {
diff --git a/core/java/Android.bp b/core/java/Android.bp
index 3f6e65b..22566b7 100644
--- a/core/java/Android.bp
+++ b/core/java/Android.bp
@@ -639,43 +639,8 @@
 
 // protolog end
 
-// Whether to enable read-only system feature codegen.
-gen_readonly_feature_apis = select(release_flag("RELEASE_USE_SYSTEM_FEATURE_BUILD_FLAGS"), {
-    true: "true",
-    false: "false",
-    default: "false",
-})
-
-// Generates com.android.internal.pm.RoSystemFeatures, optionally compiling in
-// details about fixed system features defined by build flags. When disabled,
-// the APIs are simply passthrough stubs with no meaningful side effects.
-// TODO(b/203143243): Implement the `--feature=` aggregation  directly with a native soong module.
-genrule {
+java_system_features_srcs {
     name: "systemfeatures-gen-srcs",
-    cmd: "$(location systemfeatures-gen-tool) com.android.internal.pm.RoSystemFeatures " +
-        // --readonly=false (default) makes the codegen an effective no-op passthrough API.
-        " --readonly=" + gen_readonly_feature_apis +
-        " --feature=AUTOMOTIVE:" + select(release_flag("RELEASE_SYSTEM_FEATURE_AUTOMOTIVE"), {
-            any @ value: value,
-            default: "",
-        }) + " --feature=EMBEDDED:" + select(release_flag("RELEASE_SYSTEM_FEATURE_EMBEDDED"), {
-            any @ value: value,
-            default: "",
-        }) + " --feature=LEANBACK:" + select(release_flag("RELEASE_SYSTEM_FEATURE_LEANBACK"), {
-            any @ value: value,
-            default: "",
-        }) + " --feature=PC:" + select(release_flag("RELEASE_SYSTEM_FEATURE_PC"), {
-            any @ value: value,
-            default: "",
-        }) + " --feature=TELEVISION:" + select(release_flag("RELEASE_SYSTEM_FEATURE_TELEVISION"), {
-            any @ value: value,
-            default: "",
-        }) + " --feature=WATCH:" + select(release_flag("RELEASE_SYSTEM_FEATURE_WATCH"), {
-            any @ value: value,
-            default: "",
-        }) + " > $(out)",
-    out: [
-        "RoSystemFeatures.java",
-    ],
-    tools: ["systemfeatures-gen-tool"],
+    full_class_name: "com.android.internal.pm.RoSystemFeatures",
+    visibility: ["//visibility:private"],
 }
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 093dad6..918ae1c 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -150,6 +150,7 @@
 import android.media.tv.tunerresourcemanager.TunerResourceManager;
 import android.nearby.NearbyFrameworkInitializer;
 import android.net.ConnectivityFrameworkInitializer;
+import android.net.ConnectivityFrameworkInitializerBaklava;
 import android.net.ConnectivityFrameworkInitializerTiramisu;
 import android.net.INetworkPolicyManager;
 import android.net.IPacProxyManager;
@@ -160,7 +161,6 @@
 import android.net.PacProxyManager;
 import android.net.TetheringManager;
 import android.net.VpnManager;
-import android.net.vcn.VcnFrameworkInitializer;
 import android.net.wifi.WifiFrameworkInitializer;
 import android.net.wifi.nl80211.WifiNl80211Manager;
 import android.net.wifi.sharedconnectivity.app.SharedConnectivityManager;
@@ -1691,7 +1691,7 @@
             OnDevicePersonalizationFrameworkInitializer.registerServiceWrappers();
             DeviceLockFrameworkInitializer.registerServiceWrappers();
             VirtualizationFrameworkInitializer.registerServiceWrappers();
-            VcnFrameworkInitializer.registerServiceWrappers();
+            ConnectivityFrameworkInitializerBaklava.registerServiceWrappers();
 
             if (com.android.server.telecom.flags.Flags.telecomMainlineBlockedNumbersManager()) {
                 ProviderFrameworkInitializer.registerServiceWrappers();
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/content/pm/ActivityInfo.java b/core/java/android/content/pm/ActivityInfo.java
index 4f06209..0113129 100644
--- a/core/java/android/content/pm/ActivityInfo.java
+++ b/core/java/android/content/pm/ActivityInfo.java
@@ -451,6 +451,13 @@
      * Value of {@link #colorMode} indicating that the activity should use a
      * high dynamic range if the presentation display supports it.
      *
+     * <p>Note: This does not impact SurfaceViews or SurfaceControls, as those have their own
+     * independent HDR support.</p>
+     *
+     * <p><b>Important:</b> Although this value was added in API 26, it is strongly recommended
+     * to avoid using it until API 34 which is when HDR support for the UI toolkit was officially
+     * added.</p>
+     *
      * @see android.R.attr#colorMode
      */
     public static final int COLOR_MODE_HDR = 2;
diff --git a/core/java/android/net/vcn/VcnFrameworkInitializer.java b/core/java/android/net/ConnectivityFrameworkInitializerBaklava.java
similarity index 86%
rename from core/java/android/net/vcn/VcnFrameworkInitializer.java
rename to core/java/android/net/ConnectivityFrameworkInitializerBaklava.java
index 8cb213b..1f0fa92 100644
--- a/core/java/android/net/vcn/VcnFrameworkInitializer.java
+++ b/core/java/android/net/ConnectivityFrameworkInitializerBaklava.java
@@ -14,15 +14,21 @@
  * limitations under the License.
  */
 
-package android.net.vcn;
+package android.net;
 
+import static android.net.vcn.Flags.FLAG_MAINLINE_VCN_MODULE_API;
+
+import android.annotation.FlaggedApi;
 import android.annotation.Nullable;
+import android.annotation.SystemApi;
 import android.app.SystemServiceRegistry;
 import android.compat.Compatibility;
 import android.compat.annotation.ChangeId;
 import android.compat.annotation.EnabledSince;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.net.vcn.IVcnManagementService;
+import android.net.vcn.VcnManager;
 import android.os.Build;
 import android.os.SystemProperties;
 
@@ -31,8 +37,9 @@
  *
  * @hide
  */
-// TODO: Expose it as @SystemApi(client = MODULE_LIBRARIES)
-public final class VcnFrameworkInitializer {
+@FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+public final class ConnectivityFrameworkInitializerBaklava {
     /**
      * Starting with {@link VANILLA_ICE_CREAM}, Telephony feature flags (e.g. {@link
      * PackageManager#FEATURE_TELEPHONY_SUBSCRIPTION}) are being checked before returning managers
@@ -55,7 +62,7 @@
      */
     private static final int VENDOR_API_FOR_ANDROID_V = 202404;
 
-    private VcnFrameworkInitializer() {}
+    private ConnectivityFrameworkInitializerBaklava() {}
 
     // Suppressing AndroidFrameworkCompatChange because we're querying vendor
     // partition SDK level, not application's target SDK version (which BTW we
@@ -86,7 +93,10 @@
      *
      * @throws IllegalStateException if this is called anywhere besides {@link
      *     SystemServiceRegistry}.
+     * @hide
      */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static void registerServiceWrappers() {
         SystemServiceRegistry.registerContextAwareService(
                 VcnManager.VCN_MANAGEMENT_SERVICE_STRING,
diff --git a/core/java/android/net/vcn/VcnGatewayConnectionConfig.java b/core/java/android/net/vcn/VcnGatewayConnectionConfig.java
index af93c96..3219ce8 100644
--- a/core/java/android/net/vcn/VcnGatewayConnectionConfig.java
+++ b/core/java/android/net/vcn/VcnGatewayConnectionConfig.java
@@ -16,6 +16,7 @@
 package android.net.vcn;
 
 import static android.net.ipsec.ike.IkeSessionParams.IKE_OPTION_MOBIKE;
+import static android.net.vcn.Flags.FLAG_MAINLINE_VCN_MODULE_API;
 import static android.net.vcn.Flags.FLAG_SAFE_MODE_CONFIG;
 import static android.net.vcn.VcnUnderlyingNetworkTemplate.MATCH_REQUIRED;
 
@@ -82,7 +83,15 @@
  * </ul>
  */
 public final class VcnGatewayConnectionConfig {
-    /** @hide */
+    /**
+     * Minimum NAT timeout not set.
+     *
+     * <p>When the timeout is not set, the device will automatically choose a keepalive interval and
+     * may reduce the keepalive frequency for power-optimization.
+     */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    // This constant does not represent a minimum value. It indicates the value is not configured.
+    @SuppressLint("MinMaxConstant")
     public static final int MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET = -1;
 
     /** @hide */
@@ -773,7 +782,7 @@
          *
          * @param minUdpPort4500NatTimeoutSeconds the maximum keepalive timeout supported by the VCN
          *     Gateway Connection, generally the minimum duration a NAT mapping is cached on the VCN
-         *     Gateway.
+         *     Gateway; or {@link MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET} to clear this value.
          * @return this {@link Builder} instance, for chaining
          */
         @NonNull
@@ -781,8 +790,10 @@
                 @IntRange(from = MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS)
                         int minUdpPort4500NatTimeoutSeconds) {
             Preconditions.checkArgument(
-                    minUdpPort4500NatTimeoutSeconds >= MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS,
-                    "Timeout must be at least 120s");
+                    minUdpPort4500NatTimeoutSeconds == MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET
+                            || minUdpPort4500NatTimeoutSeconds
+                                    >= MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS,
+                    "Timeout must be at least 120s or MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET");
 
             mMinUdpPort4500NatTimeoutSeconds = minUdpPort4500NatTimeoutSeconds;
             return this;
diff --git a/core/java/android/net/vcn/VcnTransportInfo.java b/core/java/android/net/vcn/VcnTransportInfo.java
index 1fc91ee..3638429 100644
--- a/core/java/android/net/vcn/VcnTransportInfo.java
+++ b/core/java/android/net/vcn/VcnTransportInfo.java
@@ -17,13 +17,16 @@
 package android.net.vcn;
 
 import static android.net.NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS;
+import static android.net.vcn.Flags.FLAG_MAINLINE_VCN_MODULE_API;
 import static android.net.vcn.VcnGatewayConnectionConfig.MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS;
 import static android.net.vcn.VcnGatewayConnectionConfig.MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET;
 import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 
+import android.annotation.FlaggedApi;
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SystemApi;
 import android.net.NetworkCapabilities;
 import android.net.TransportInfo;
 import android.net.wifi.WifiInfo;
@@ -52,23 +55,29 @@
  * @hide
  */
 // TODO: Do not store WifiInfo and subscription ID in VcnTransportInfo anymore
-public class VcnTransportInfo implements TransportInfo, Parcelable {
+@FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+public final class VcnTransportInfo implements TransportInfo, Parcelable {
     @Nullable private final WifiInfo mWifiInfo;
     private final int mSubId;
     private final int mMinUdpPort4500NatTimeoutSeconds;
 
+    /** @hide */
     public VcnTransportInfo(@NonNull WifiInfo wifiInfo) {
         this(wifiInfo, INVALID_SUBSCRIPTION_ID, MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET);
     }
 
+    /** @hide */
     public VcnTransportInfo(@NonNull WifiInfo wifiInfo, int minUdpPort4500NatTimeoutSeconds) {
         this(wifiInfo, INVALID_SUBSCRIPTION_ID, minUdpPort4500NatTimeoutSeconds);
     }
 
+    /** @hide */
     public VcnTransportInfo(int subId) {
         this(null /* wifiInfo */, subId, MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET);
     }
 
+    /** @hide */
     public VcnTransportInfo(int subId, int minUdpPort4500NatTimeoutSeconds) {
         this(null /* wifiInfo */, subId, minUdpPort4500NatTimeoutSeconds);
     }
@@ -86,6 +95,7 @@
      * <p>If the underlying Network for the associated VCN is Cellular, returns null.
      *
      * @return the WifiInfo if there is an underlying WiFi connection, else null.
+     * @hide
      */
     @Nullable
     public WifiInfo getWifiInfo() {
@@ -100,17 +110,27 @@
      *
      * @return the Subscription ID if a cellular underlying Network is present, else {@link
      *     android.telephony.SubscriptionManager#INVALID_SUBSCRIPTION_ID}.
+     * @hide
      */
     public int getSubId() {
         return mSubId;
     }
 
     /**
-     * Get the VCN provided UDP port 4500 NAT timeout
+     * Get the minimum duration that the VCN Gateway guarantees to preserve a NAT mapping.
      *
-     * @return the UDP 4500 NAT timeout, or
+     * <p>To ensure uninterrupted connectivity, the device must send keepalive packets before the
+     * timeout. Failure to do so may result in the mapping being cleared and connection termination.
+     * This value is used as a power-optimization hint for other IKEv2/IPsec use cases (e.g. VPNs,
+     * or IWLAN) to reduce the necessary keepalive frequency, thus conserving power and data.
+     *
+     * @return the minimum duration that the VCN Gateway guarantees to preserve a NAT mapping, or
      *     VcnGatewayConnectionConfig.MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET if not set.
+     * @see VcnGatewayConnectionConfig.Builder#setMinUdpPort4500NatTimeoutSeconds(int)
+     * @hide
      */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public int getMinUdpPort4500NatTimeoutSeconds() {
         return mMinUdpPort4500NatTimeoutSeconds;
     }
@@ -129,12 +149,21 @@
                 && mMinUdpPort4500NatTimeoutSeconds == that.mMinUdpPort4500NatTimeoutSeconds;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     *
+     * @hide
+     */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     @Override
     public int describeContents() {
         return 0;
     }
 
+    /** @hide */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     @Override
     @NonNull
     public TransportInfo makeCopy(long redactions) {
@@ -149,6 +178,9 @@
                 mMinUdpPort4500NatTimeoutSeconds);
     }
 
+    /** @hide */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     @Override
     public long getApplicableRedactions() {
         long redactions = REDACT_FOR_NETWORK_SETTINGS;
@@ -161,7 +193,13 @@
         return redactions;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     *
+     * @hide
+     */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     @Override
     public void writeToParcel(@NonNull Parcel dest, int flags) {
         dest.writeInt(mSubId);
@@ -174,7 +212,13 @@
         return "VcnTransportInfo { mWifiInfo = " + mWifiInfo + ", mSubId = " + mSubId + " }";
     }
 
-    /** Implement the Parcelable interface */
+    /**
+     * Implement the Parcelable interface
+     *
+     * @hide
+     */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final @NonNull Creator<VcnTransportInfo> CREATOR =
             new Creator<VcnTransportInfo>() {
                 public VcnTransportInfo createFromParcel(Parcel in) {
@@ -201,37 +245,63 @@
                 }
             };
 
-    /** This class can be used to construct a {@link VcnTransportInfo}. */
+    /**
+     * This class can be used to construct a {@link VcnTransportInfo}.
+     *
+     * @hide
+     */
+    @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final class Builder {
         private int mMinUdpPort4500NatTimeoutSeconds = MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET;
 
-        /** Construct Builder */
+        /**
+         * Construct Builder
+         *
+         * @hide
+         */
+        @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
         public Builder() {}
 
         /**
-         * Sets the maximum supported IKEv2/IPsec NATT keepalive timeout.
+         * Set the minimum duration that the VCN Gateway guarantees to preserve a NAT mapping.
          *
          * <p>This is used as a power-optimization hint for other IKEv2/IPsec use cases (e.g. VPNs,
          * or IWLAN) to reduce the necessary keepalive frequency, thus conserving power and data.
          *
-         * @param minUdpPort4500NatTimeoutSeconds the maximum keepalive timeout supported by the VCN
-         *     Gateway Connection, generally the minimum duration a NAT mapping is cached on the VCN
-         *     Gateway.
+         * @param minUdpPort4500NatTimeoutSeconds the minimum duration that the VCN Gateway
+         *     guarantees to preserve a NAT mapping, or {@link MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET}
+         *     to clear this value. To ensure uninterrupted connectivity, the device must send
+         *     keepalive packets within this interval. Failure to do so may result in the mapping
+         *     being cleared and connection termination.
          * @return this {@link Builder} instance, for chaining
+         * @see VcnGatewayConnectionConfig.Builder#setMinUdpPort4500NatTimeoutSeconds(int)
+         * @hide
          */
+        @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
         @NonNull
         public Builder setMinUdpPort4500NatTimeoutSeconds(
                 @IntRange(from = MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS)
                         int minUdpPort4500NatTimeoutSeconds) {
             Preconditions.checkArgument(
-                    minUdpPort4500NatTimeoutSeconds >= MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS,
-                    "Timeout must be at least 120s");
+                    minUdpPort4500NatTimeoutSeconds == MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET
+                            || minUdpPort4500NatTimeoutSeconds
+                                    >= MIN_UDP_PORT_4500_NAT_TIMEOUT_SECONDS,
+                    "Timeout must be at least 120s or MIN_UDP_PORT_4500_NAT_TIMEOUT_UNSET");
 
             mMinUdpPort4500NatTimeoutSeconds = minUdpPort4500NatTimeoutSeconds;
             return Builder.this;
         }
 
-        /** Build a VcnTransportInfo instance */
+        /**
+         * Build a VcnTransportInfo instance
+         *
+         * @hide
+         */
+        @FlaggedApi(FLAG_MAINLINE_VCN_MODULE_API)
+        @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
         @NonNull
         public VcnTransportInfo build() {
             return new VcnTransportInfo(
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/OWNERS b/core/java/android/os/OWNERS
index e63b664..94259d7 100644
--- a/core/java/android/os/OWNERS
+++ b/core/java/android/os/OWNERS
@@ -89,6 +89,8 @@
 per-file DdmSyncStageUpdater.java = sanglardf@google.com, rpaquay@google.com
 
 # PerformanceHintManager
+per-file CpuHeadroom*.aidl = file:/ADPF_OWNERS
+per-file GpuHeadroom*.aidl = file:/ADPF_OWNERS
 per-file PerformanceHintManager.java = file:/ADPF_OWNERS
 per-file WorkDuration.java = file:/ADPF_OWNERS
 per-file IHintManager.aidl = file:/ADPF_OWNERS
diff --git a/core/java/android/os/RemoteCallbackList.java b/core/java/android/os/RemoteCallbackList.java
index 91c482fa..4123209 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
@@ -211,7 +214,7 @@
             if (mFrozenCalleePolicy != FROZEN_CALLEE_POLICY_UNSET) {
                 try {
                     mBinder.removeFrozenStateChangeCallback(this);
-                } catch (UnsupportedOperationException e) {
+                } catch (UnsupportedOperationException | IllegalArgumentException e) {
                     // The kernel does not support frozen notifications. Ignore the error and move
                     // on.
                 }
@@ -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/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 1d70d18..455e680 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -830,7 +830,8 @@
 
     /**
      * Sets the desired amount of HDR headroom to be used when HDR content is presented on this
-     * SurfaceView.
+     * SurfaceView. This is expressed as the ratio of maximum HDR white point over the SDR
+     * white point, not as absolute nits.
      *
      * <p>By default the system will choose an amount of HDR headroom that is appropriate
      * for the underlying device capabilities & bit-depth of the panel. However, for some types
@@ -844,6 +845,10 @@
      * See {@link Display#getHdrSdrRatio()} for more information as well as how to query the
      * current value.</p>
      *
+     * <p>Note: This API operates independently of both the
+     * {@link Window#setColorMode Widow color mode} and the
+     * {@link Window#setDesiredHdrHeadroom Window desiredHdrHeadroom}</p>
+     *
      * @param desiredHeadroom The amount of HDR headroom that is desired. Must be >= 1.0 (no HDR)
      *                        and <= 10,000.0. Passing 0.0 will reset to the default, automatically
      *                        chosen value.
diff --git a/core/java/android/view/Window.java b/core/java/android/view/Window.java
index 0582afe..cbee563 100644
--- a/core/java/android/view/Window.java
+++ b/core/java/android/view/Window.java
@@ -1334,6 +1334,9 @@
      * <p>The requested color mode is not guaranteed to be honored. Please refer to
      * {@link #getColorMode()} for more information.</p>
      *
+     * <p>Note: This does not impact SurfaceViews or SurfaceControls, as those have their own
+     * independent color mode and HDR parameters.</p>
+     *
      * @see #getColorMode()
      * @see Display#isWideColorGamut()
      * @see Configuration#isScreenWideColorGamut()
@@ -1361,6 +1364,9 @@
      * See {@link Display#getHdrSdrRatio()} for more information as well as how to query the
      * current value.</p>
      *
+     * <p>Note: This does not impact SurfaceViews or SurfaceControls, as those have their own
+     * independent desired HDR headroom and HDR capabilities.</p>
+     *
      * @param desiredHeadroom The amount of HDR headroom that is desired. Must be >= 1.0 (no HDR)
      *                        and <= 10,000.0. Passing 0.0 will reset to the default, automatically
      *                        chosen value.
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/core/tests/systemproperties/src/android/os/SystemPropertiesTest.java b/core/tests/systemproperties/src/android/os/SystemPropertiesTest.java
index 75aca1b..7ce2ed8 100644
--- a/core/tests/systemproperties/src/android/os/SystemPropertiesTest.java
+++ b/core/tests/systemproperties/src/android/os/SystemPropertiesTest.java
@@ -23,10 +23,11 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import android.platform.test.ravenwood.RavenwoodConfig;
+import android.platform.test.ravenwood.RavenwoodRule;
 
 import androidx.test.filters.SmallTest;
 
+import org.junit.Rule;
 import org.junit.Test;
 
 import java.util.Objects;
@@ -39,8 +40,8 @@
     private static final String PERSIST_KEY = "persist.sys.testkey";
     private static final String NONEXIST_KEY = "doesnotexist_2341431";
 
-    @RavenwoodConfig.Config
-    public static final RavenwoodConfig mRavenwood = new RavenwoodConfig.Builder()
+    @Rule
+    public final RavenwoodRule mRavenwood = new RavenwoodRule.Builder()
             .setSystemPropertyMutable(KEY, null)
             .setSystemPropertyMutable(UNSET_KEY, null)
             .setSystemPropertyMutable(PERSIST_KEY, null)
diff --git a/nfc/api/current.txt b/nfc/api/current.txt
index 7ae2eafa..2aa73db 100644
--- a/nfc/api/current.txt
+++ b/nfc/api/current.txt
@@ -202,6 +202,7 @@
     method public boolean categoryAllowsForegroundPreference(String);
     method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public java.util.List<java.lang.String> getAidsForPreferredPaymentService();
     method public java.util.List<java.lang.String> getAidsForService(android.content.ComponentName, String);
+    method @FlaggedApi("android.nfc.enable_card_emulation_euicc") public int getDefaultNfcSubscriptionId();
     method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public CharSequence getDescriptionForPreferredPaymentService();
     method public static android.nfc.cardemulation.CardEmulation getInstance(android.nfc.NfcAdapter);
     method @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public String getRouteDestinationForPreferredPaymentService();
diff --git a/nfc/api/system-current.txt b/nfc/api/system-current.txt
index 95f7d09..4aedfd7 100644
--- a/nfc/api/system-current.txt
+++ b/nfc/api/system-current.txt
@@ -191,14 +191,19 @@
   public final class CardEmulation {
     method @FlaggedApi("android.permission.flags.wallet_role_enabled") @Nullable @RequiresPermission(android.Manifest.permission.NFC_PREFERRED_PAYMENT_INFO) public static android.content.ComponentName getPreferredPaymentService(@NonNull android.content.Context);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public java.util.List<android.nfc.cardemulation.ApduServiceInfo> getServices(@NonNull String, int);
-    method @FlaggedApi("android.nfc.nfc_override_recover_routing_table") public void overrideRoutingTable(@NonNull android.app.Activity, int, int);
-    method @FlaggedApi("android.nfc.nfc_override_recover_routing_table") public void recoverRoutingTable(@NonNull android.app.Activity);
+    method @FlaggedApi("android.nfc.nfc_override_recover_routing_table") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void overrideRoutingTable(@NonNull android.app.Activity, int, int);
+    method @FlaggedApi("android.nfc.nfc_override_recover_routing_table") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void recoverRoutingTable(@NonNull android.app.Activity);
+    method @FlaggedApi("android.nfc.enable_card_emulation_euicc") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public int setDefaultNfcSubscriptionId(int);
     method @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public int setServiceEnabledForCategoryOther(@NonNull android.content.ComponentName, boolean);
     field @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") public static final int SET_SERVICE_ENABLED_STATUS_FAILURE_ALREADY_SET = 3; // 0x3
     field @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") public static final int SET_SERVICE_ENABLED_STATUS_FAILURE_FEATURE_UNSUPPORTED = 1; // 0x1
     field @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") public static final int SET_SERVICE_ENABLED_STATUS_FAILURE_INVALID_SERVICE = 2; // 0x2
     field @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") public static final int SET_SERVICE_ENABLED_STATUS_FAILURE_UNKNOWN_ERROR = 4; // 0x4
     field @FlaggedApi("android.nfc.nfc_set_service_enabled_for_category_other") public static final int SET_SERVICE_ENABLED_STATUS_OK = 0; // 0x0
+    field @FlaggedApi("android.nfc.enable_card_emulation_euicc") public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_INTERNAL_ERROR = 2; // 0x2
+    field @FlaggedApi("android.nfc.enable_card_emulation_euicc") public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_INVALID_SUBSCRIPTION_ID = 1; // 0x1
+    field @FlaggedApi("android.nfc.enable_card_emulation_euicc") public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_NOT_SUPPORTED = 3; // 0x3
+    field @FlaggedApi("android.nfc.enable_card_emulation_euicc") public static final int SET_SUBSCRIPTION_ID_STATUS_SUCCESS = 0; // 0x0
   }
 
 }
diff --git a/nfc/java/android/nfc/INfcCardEmulation.aidl b/nfc/java/android/nfc/INfcCardEmulation.aidl
index 633d8bf..bb9fe95 100644
--- a/nfc/java/android/nfc/INfcCardEmulation.aidl
+++ b/nfc/java/android/nfc/INfcCardEmulation.aidl
@@ -53,6 +53,8 @@
     void overrideRoutingTable(int userHandle, String protocol, String technology, in String pkg);
     void recoverRoutingTable(int userHandle);
     boolean isEuiccSupported();
+    int getDefaultNfcSubscriptionId(in String pkg);
+    int setDefaultNfcSubscriptionId(int subscriptionId, in String pkg);
     void setAutoChangeStatus(boolean state);
     boolean isAutoChangeEnabled();
     List<String> getRoutingStatus();
diff --git a/nfc/java/android/nfc/cardemulation/CardEmulation.java b/nfc/java/android/nfc/cardemulation/CardEmulation.java
index e9ec721..cb364fb 100644
--- a/nfc/java/android/nfc/cardemulation/CardEmulation.java
+++ b/nfc/java/android/nfc/cardemulation/CardEmulation.java
@@ -22,6 +22,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.RequiresFeature;
 import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
@@ -45,6 +46,7 @@
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
+import android.telephony.SubscriptionManager;
 import android.util.ArrayMap;
 import android.util.Log;
 
@@ -947,7 +949,7 @@
      *
      * @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
      */
@@ -1010,6 +1012,7 @@
      * @hide
      */
     @SystemApi
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
     @FlaggedApi(Flags.FLAG_NFC_OVERRIDE_RECOVER_ROUTING_TABLE)
     public void overrideRoutingTable(
             @NonNull Activity activity, @ProtocolAndTechnologyRoute int protocol,
@@ -1037,6 +1040,7 @@
      * @hide
      */
     @SystemApi
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
     @FlaggedApi(Flags.FLAG_NFC_OVERRIDE_RECOVER_ROUTING_TABLE)
     public void recoverRoutingTable(@NonNull Activity activity) {
         if (!activity.isResumed()) {
@@ -1058,6 +1062,97 @@
     }
 
     /**
+     * Setting the default subscription ID succeeded.
+     * @hide
+     */
+    @SystemApi
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public static final int SET_SUBSCRIPTION_ID_STATUS_SUCCESS = 0;
+
+    /**
+     * Setting the default subscription ID failed because the subscription ID is invalid.
+     * @hide
+     */
+    @SystemApi
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_INVALID_SUBSCRIPTION_ID = 1;
+
+    /**
+     * Setting the default subscription ID failed because there was an internal error processing
+     * the request. For ex: NFC service died in the middle of handling the API.
+     * @hide
+     */
+    @SystemApi
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_INTERNAL_ERROR = 2;
+
+    /**
+     * Setting the default subscription ID failed because this feature is not supported on the
+     * device.
+     * @hide
+     */
+    @SystemApi
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public static final int SET_SUBSCRIPTION_ID_STATUS_FAILED_NOT_SUPPORTED = 3;
+
+    /** @hide */
+    @IntDef(prefix = "SET_SUBSCRIPTION_ID_STATUS_",
+            value = {
+                    SET_SUBSCRIPTION_ID_STATUS_SUCCESS,
+                    SET_SUBSCRIPTION_ID_STATUS_FAILED_INVALID_SUBSCRIPTION_ID,
+                    SET_SUBSCRIPTION_ID_STATUS_FAILED_INTERNAL_ERROR,
+                    SET_SUBSCRIPTION_ID_STATUS_FAILED_NOT_SUPPORTED,
+            })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface SetSubscriptionIdStatus {}
+
+    /**
+     * Sets the system's default NFC subscription id.
+     *
+     * <p> For devices with multiple UICC/EUICC that is configured to be NFCEE, this sets the
+     * default UICC NFCEE that will handle NFC offhost CE transactoions </p>
+     *
+     * @param subscriptionId the default NFC subscription Id to set.
+     * @return status of the operation.
+     *
+     * @throws UnsupportedOperationException If the device does not have
+     * {@link PackageManager#FEATURE_TELEPHONY_SUBSCRIPTION}.
+     * @hide
+     */
+    @SystemApi
+    @RequiresFeature(PackageManager.FEATURE_TELEPHONY_SUBSCRIPTION)
+    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public @SetSubscriptionIdStatus int setDefaultNfcSubscriptionId(int subscriptionId) {
+        return callServiceReturn(() ->
+                        sService.setDefaultNfcSubscriptionId(
+                                subscriptionId, mContext.getPackageName()),
+                SET_SUBSCRIPTION_ID_STATUS_FAILED_INTERNAL_ERROR);
+    }
+
+    /**
+     * Returns the system's default NFC subscription id.
+     *
+     * <p> For devices with multiple UICC/EUICC that is configured to be NFCEE, this returns the
+     * default UICC NFCEE that will handle NFC offhost CE transactoions </p>
+     * <p> If the device has no UICC that can serve as NFCEE, this will return
+     * {@link SubscriptionManager#INVALID_SUBSCRIPTION_ID}.</p>
+     *
+     * @return the default NFC subscription Id if set,
+     * {@link SubscriptionManager#INVALID_SUBSCRIPTION_ID} otherwise.
+     *
+     * @throws UnsupportedOperationException If the device does not have
+     * {@link PackageManager#FEATURE_TELEPHONY_SUBSCRIPTION}.
+     */
+    @RequiresFeature(PackageManager.FEATURE_TELEPHONY_SUBSCRIPTION)
+    @FlaggedApi(android.nfc.Flags.FLAG_ENABLE_CARD_EMULATION_EUICC)
+    public int getDefaultNfcSubscriptionId() {
+        return callServiceReturn(() ->
+                sService.getDefaultNfcSubscriptionId(mContext.getPackageName()),
+                SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+    }
+
+    /**
      * Returns the value of {@link Settings.Secure#NFC_PAYMENT_DEFAULT_COMPONENT}.
      *
      * @param context A context
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/OWNERS b/packages/SettingsProvider/src/com/android/providers/settings/OWNERS
index 0b71816..b0086c1 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/OWNERS
+++ b/packages/SettingsProvider/src/com/android/providers/settings/OWNERS
@@ -1 +1,2 @@
-per-file WritableNamespacePrefixes.java = cbrubaker@google.com,tedbauer@google.com
+per-file WritableNamespacePrefixes.java = mpgroover@google.com,tedbauer@google.com
+per-file WritableNamespaces.java = mpgroover@google.com,tedbauer@google.com
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/OWNERS b/packages/SystemUI/src/com/android/systemui/statusbar/OWNERS
index 9de229e..a594ad6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/OWNERS
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/OWNERS
@@ -14,6 +14,14 @@
 per-file *Keyboard* = file:../keyguard/OWNERS
 per-file *Keyguard* = set noparent
 per-file *Keyguard* = file:../keyguard/OWNERS
+# Not setting noparent here, since *Notification* also matches some status bar notification chips files (statusbar/chips/notification) which should be owned by the status bar team.
+per-file *Notification* = file:notification/OWNERS
+# Not setting noparent here, since *Mode* matches many other classes (e.g., *ViewModel*)
+per-file *Mode* = file:notification/OWNERS
+per-file *RemoteInput* = set noparent
+per-file *RemoteInput* = file:notification/OWNERS
+per-file *EmptyShadeView* = set noparent
+per-file *EmptyShadeView* = file:notification/OWNERS
 per-file *Lockscreen* = set noparent
 per-file *Lockscreen* = file:../keyguard/OWNERS
 per-file *Scrim* = set noparent
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/junit-src/android/platform/test/ravenwood/RavenwoodConfig.java b/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodConfig.java
index 619c8e3..7ca9239 100644
--- a/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodConfig.java
+++ b/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodConfig.java
@@ -142,33 +142,31 @@
         }
 
         /**
-         * Configure the given system property as immutable for the duration of the test.
-         * Read access to the key is allowed, and write access will fail. When {@code value} is
-         * {@code null}, the value is left as undefined.
-         *
-         * All properties in the {@code debug.*} namespace are automatically mutable, with no
-         * developer action required.
-         *
-         * Has no effect on non-Ravenwood environments.
+         * @deprecated Use {@link RavenwoodRule.Builder#setSystemPropertyImmutable(String, Object)}
          */
+        @Deprecated
         public Builder setSystemPropertyImmutable(@NonNull String key,
                 @Nullable Object value) {
+            return this;
+        }
+
+        /**
+         * @deprecated Use {@link RavenwoodRule.Builder#setSystemPropertyMutable(String, Object)}
+         */
+        @Deprecated
+        public Builder setSystemPropertyMutable(@NonNull String key,
+                @Nullable Object value) {
+            return this;
+        }
+
+        Builder setSystemPropertyImmutableReal(@NonNull String key,
+                @Nullable Object value) {
             mConfig.mSystemProperties.setValue(key, value);
             mConfig.mSystemProperties.setAccessReadOnly(key);
             return this;
         }
 
-        /**
-         * Configure the given system property as mutable for the duration of the test.
-         * Both read and write access to the key is allowed, and its value will be reset between
-         * each test. When {@code value} is {@code null}, the value is left as undefined.
-         *
-         * All properties in the {@code debug.*} namespace are automatically mutable, with no
-         * developer action required.
-         *
-         * Has no effect on non-Ravenwood environments.
-         */
-        public Builder setSystemPropertyMutable(@NonNull String key,
+        Builder setSystemPropertyMutableReal(@NonNull String key,
                 @Nullable Object value) {
             mConfig.mSystemProperties.setValue(key, value);
             mConfig.mSystemProperties.setAccessReadWrite(key);
diff --git a/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodRule.java b/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodRule.java
index f7acd90..5681a90 100644
--- a/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodRule.java
+++ b/ravenwood/junit-src/android/platform/test/ravenwood/RavenwoodRule.java
@@ -152,7 +152,7 @@
          * Has no effect on non-Ravenwood environments.
          */
         public Builder setSystemPropertyImmutable(@NonNull String key, @Nullable Object value) {
-            mBuilder.setSystemPropertyImmutable(key, value);
+            mBuilder.setSystemPropertyImmutableReal(key, value);
             return this;
         }
 
@@ -167,7 +167,7 @@
          * Has no effect on non-Ravenwood environments.
          */
         public Builder setSystemPropertyMutable(@NonNull String key, @Nullable Object value) {
-            mBuilder.setSystemPropertyMutable(key, value);
+            mBuilder.setSystemPropertyMutableReal(key, value);
             return this;
         }
 
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/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index 0c99fcf..f50eb18 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -327,7 +327,7 @@
                 SystemUiDeviceConfigFlags.GENERATED_PREVIEW_API_RESET_INTERVAL_MS,
                 DEFAULT_GENERATED_PREVIEW_RESET_INTERVAL_MS);
         final int generatedPreviewMaxCallsPerInterval = DeviceConfig.getInt(NAMESPACE_SYSTEMUI,
-                SystemUiDeviceConfigFlags.GENERATED_PREVIEW_API_RESET_INTERVAL_MS,
+                SystemUiDeviceConfigFlags.GENERATED_PREVIEW_API_MAX_CALLS_PER_INTERVAL,
                 DEFAULT_GENERATED_PREVIEW_MAX_CALLS_PER_INTERVAL);
         mGeneratedPreviewsApiCounter = new ApiCounter(generatedPreviewResetInterval,
                 generatedPreviewMaxCallsPerInterval);
diff --git a/services/core/java/com/android/server/SystemConfig.java b/services/core/java/com/android/server/SystemConfig.java
index 9b987e9..8c83ad7 100644
--- a/services/core/java/com/android/server/SystemConfig.java
+++ b/services/core/java/com/android/server/SystemConfig.java
@@ -1319,6 +1319,7 @@
                         }
                         XmlUtils.skipCurrentTag(parser);
                     } break;
+                    case "disabled-in-sku":
                     case "disabled-until-used-preinstalled-carrier-app": {
                         if (allowAppConfigs) {
                             String pkgname = parser.getAttributeValue(null, "package");
@@ -1335,6 +1336,24 @@
                         }
                         XmlUtils.skipCurrentTag(parser);
                     } break;
+                    case "enabled-in-sku-override": {
+                        if (allowAppConfigs) {
+                            String pkgname = parser.getAttributeValue(null, "package");
+                            if (pkgname == null) {
+                                Slog.w(TAG,
+                                        "<" + name + "> without "
+                                                + "package in " + permFile + " at "
+                                                + parser.getPositionDescription());
+                            } else if (!mDisabledUntilUsedPreinstalledCarrierApps.remove(pkgname)) {
+                                Slog.w(TAG,
+                                        "<" + name + "> packagename:" + pkgname + " not included"
+                                                + "in disabled-in-sku");
+                            }
+                        } else {
+                            logNotAllowedInPartition(name, permFile, parser);
+                        }
+                        XmlUtils.skipCurrentTag(parser);
+                    } break;
                     case "privapp-permissions": {
                         if (allowPrivappPermissions) {
                             // privapp permissions from system, apex, vendor, product and
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/services/core/java/com/android/server/am/CachedAppOptimizer.java b/services/core/java/com/android/server/am/CachedAppOptimizer.java
index 211f952..0b61a80 100644
--- a/services/core/java/com/android/server/am/CachedAppOptimizer.java
+++ b/services/core/java/com/android/server/am/CachedAppOptimizer.java
@@ -2181,7 +2181,7 @@
                     Slog.d(TAG_AM,
                             "Performing native compaction for pid=" + pid
                                     + " type=" + compactProfile.name());
-                    Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "compactSystem");
+                    Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "compactNative");
                     try {
                         mProcessDependencies.performCompaction(compactProfile, pid);
                     } catch (Exception e) {
diff --git a/services/core/java/com/android/server/input/InputShellCommand.java b/services/core/java/com/android/server/input/InputShellCommand.java
index 4c5a3c2..d8cf68e 100644
--- a/services/core/java/com/android/server/input/InputShellCommand.java
+++ b/services/core/java/com/android/server/input/InputShellCommand.java
@@ -472,6 +472,7 @@
                 }
             }
         }
+        event = KeyEvent.changeTimeRepeat(event, SystemClock.uptimeMillis(), 0);
         injectKeyEvent(KeyEvent.changeAction(event, KeyEvent.ACTION_UP), async);
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/systemconfig/SystemConfigTest.java b/services/tests/servicestests/src/com/android/server/systemconfig/SystemConfigTest.java
index 3bc089f..842c441 100644
--- a/services/tests/servicestests/src/com/android/server/systemconfig/SystemConfigTest.java
+++ b/services/tests/servicestests/src/com/android/server/systemconfig/SystemConfigTest.java
@@ -691,6 +691,40 @@
         assertThat(actual).isEqualTo(expected);
     }
 
+    /**
+     * Tests that readPermissions works correctly for the tags:
+     * disabled-in-sku, enabled-in-sku-override.
+     * I.e. that disabled-in-sku add package to block list and
+     * enabled-in-sku-override removes package from the list.
+     */
+    @Test
+    public void testDisablePackageInSku() throws Exception {
+        final String disable_in_sku =
+                "<config>\n"
+                        + "    <disabled-in-sku package=\"com.sony.product1.app\"/>\n"
+                        + "    <disabled-in-sku package=\"com.sony.product2.app\"/>\n"
+                        + "</config>\n";
+
+        final String enable_in_sku_override =
+                "<config>\n"
+                        + "    <enabled-in-sku-override package=\"com.sony.product2.app\"/>\n"
+                        + "</config>\n";
+
+        final File folder1 = createTempSubfolder("folder1");
+        createTempFile(folder1, "permissionFile1.xml", disable_in_sku);
+
+        final File folder2 = createTempSubfolder("folder2");
+        createTempFile(folder2, "permissionFile2.xml", enable_in_sku_override);
+
+        readPermissions(folder1, /* Grant all permission flags */ ~0);
+        readPermissions(folder2, /* Grant all permission flags */ ~0);
+
+        final ArraySet<String> blocklist = mSysConfig.getDisabledUntilUsedPreinstalledCarrierApps();
+
+        assertThat(blocklist).contains("com.sony.product1.app");
+        assertThat(blocklist).doesNotContain("com.sony.product2.app");
+    }
+
     private void parseSharedLibraries(String contents) throws IOException {
         File folder = createTempSubfolder("permissions_folder");
         createTempFile(folder, "permissions.xml", contents);
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);
     }