Merge "Fix AudioDeviceAttributes null crash" into main
diff --git a/AconfigFlags.bp b/AconfigFlags.bp
index 21b1b17..f69fd55 100644
--- a/AconfigFlags.bp
+++ b/AconfigFlags.bp
@@ -303,6 +303,7 @@
 aconfig_declarations {
     name: "android.security.flags-aconfig",
     package: "android.security",
+    exportable: true,
     container: "system",
     srcs: ["core/java/android/security/*.aconfig"],
 }
@@ -320,6 +321,19 @@
     defaults: ["framework-minus-apex-aconfig-java-defaults"],
 }
 
+java_aconfig_library {
+    name: "android.security.flags-aconfig-java-export",
+    aconfig_declarations: "android.security.flags-aconfig",
+    mode: "exported",
+    min_sdk_version: "30",
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.tethering",
+        "com.android.wifi",
+    ],
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+}
+
 cc_aconfig_library {
     name: "android_security_flags_aconfig_c_lib",
     aconfig_declarations: "android.security.flags-aconfig",
diff --git a/OWNERS b/OWNERS
index d0a634e..058ea36 100644
--- a/OWNERS
+++ b/OWNERS
@@ -34,6 +34,8 @@
 per-file *ravenwood* = file:ravenwood/OWNERS
 per-file *Ravenwood* = file:ravenwood/OWNERS
 
+per-file PREUPLOAD.cfg = file:/PREUPLOAD_OWNERS
+
 per-file INPUT_OWNERS = file:/INPUT_OWNERS
 per-file ZYGOTE_OWNERS = file:/ZYGOTE_OWNERS
 per-file SQLITE_OWNERS = file:/SQLITE_OWNERS
@@ -48,3 +50,4 @@
 per-file ADPF_OWNERS = file:/ADPF_OWNERS
 per-file GAME_MANAGER_OWNERS = file:/GAME_MANAGER_OWNERS
 per-file SDK_OWNERS = file:/SDK_OWNERS
+per-file PREUPLOAD_OWNERS = file:/PREUPLOAD_OWNERS
diff --git a/PREUPLOAD_OWNERS b/PREUPLOAD_OWNERS
new file mode 100644
index 0000000..ece4d3e
--- /dev/null
+++ b/PREUPLOAD_OWNERS
@@ -0,0 +1,2 @@
+roosa@google.com
+gsennton@google.com
diff --git a/apct-tests/perftests/core/src/android/content/pm/SystemFeaturesMetadataPerfTest.java b/apct-tests/perftests/core/src/android/content/pm/SystemFeaturesMetadataPerfTest.java
new file mode 100644
index 0000000..205c7b8
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/content/pm/SystemFeaturesMetadataPerfTest.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package android.content.pm;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+
+import androidx.test.filters.LargeTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class SystemFeaturesMetadataPerfTest {
+    // As each query is relatively cheap, add an inner iteration loop to reduce execution noise.
+    private static final int NUM_ITERATIONS = 10;
+
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void maybeGetSdkFeatureIndex_featureDefined() {
+        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            for (int i = 0; i < NUM_ITERATIONS; ++i) {
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_WATCH);
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_LEANBACK);
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_IPSEC_TUNNELS);
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_WEBVIEW);
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_NFC_BEAM);
+                PackageManager.maybeGetSdkFeatureIndex(PackageManager.FEATURE_AUTOFILL);
+            }
+        }
+    }
+
+    @Test
+    public void maybeGetSdkFeatureIndex_featureUndefined() {
+        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            for (int i = 0; i < NUM_ITERATIONS; ++i) {
+                PackageManager.maybeGetSdkFeatureIndex("com.android.custom.feature.1");
+                PackageManager.maybeGetSdkFeatureIndex("com.android.custom.feature.2");
+                PackageManager.maybeGetSdkFeatureIndex("foo");
+                PackageManager.maybeGetSdkFeatureIndex("bar");
+                PackageManager.maybeGetSdkFeatureIndex("0");
+                PackageManager.maybeGetSdkFeatureIndex("");
+            }
+        }
+    }
+
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java b/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
index ed669be..c775280 100644
--- a/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
+++ b/apct-tests/perftests/core/src/android/libcore/ZipFilePerfTest.java
@@ -63,14 +63,12 @@
 
     @Test
     @Parameters(method = "getData")
-    public void timeZipFileOpen(int numEntries) throws Exception {
+    public void timeZipFileOpenClose(int numEntries) throws Exception {
         setUp(numEntries);
         BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
         while (state.keepRunning()) {
             ZipFile zf = new ZipFile(mFile);
-            state.pauseTiming();
             zf.close();
-            state.resumeTiming();
         }
     }
 
diff --git a/apct-tests/perftests/utils/src/android/perftests/utils/BenchmarkState.java b/apct-tests/perftests/utils/src/android/perftests/utils/BenchmarkState.java
index 73bff08..af02374 100644
--- a/apct-tests/perftests/utils/src/android/perftests/utils/BenchmarkState.java
+++ b/apct-tests/perftests/utils/src/android/perftests/utils/BenchmarkState.java
@@ -20,6 +20,7 @@
 import android.app.Instrumentation;
 import android.os.Bundle;
 import android.os.Debug;
+import android.os.Trace;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
@@ -129,17 +130,23 @@
     }
 
     private void beginWarmup() {
+        Trace.beginSection("Warmup");
         mStartTimeNs = System.nanoTime();
         mIteration = 0;
         mState = WARMUP;
     }
 
+    private void endWarmup() {
+        Trace.endSection();
+    }
+
     private void beginBenchmark(long warmupDuration, int iterations) {
         if (ENABLE_PROFILING) {
             File f = new File(InstrumentationRegistry.getContext().getDataDir(), "benchprof");
             Log.d(TAG, "Tracing to: " + f.getAbsolutePath());
             Debug.startMethodTracingSampling(f.getAbsolutePath(), 16 * 1024 * 1024, 100);
         }
+        Trace.beginSection("Benchmark");
         mMaxIterations = (int) (TARGET_TEST_DURATION_NS / (warmupDuration / iterations));
         mMaxIterations = Math.min(MAX_TEST_ITERATIONS,
                 Math.max(mMaxIterations, MIN_TEST_ITERATIONS));
@@ -150,6 +157,10 @@
         mStartTimeNs = System.nanoTime();
     }
 
+    private void endBenchmark() {
+        Trace.endSection();
+    }
+
     private boolean startNextTestRun() {
         final long currentTime = System.nanoTime();
         mResults.add((currentTime - mStartTimeNs - mPausedDurationNs) / mMaxIterations);
@@ -165,6 +176,7 @@
                 return true;
             }
             mState = FINISHED;
+            endBenchmark();
             return false;
         }
         mPausedDurationNs = 0;
@@ -189,6 +201,7 @@
                 // don't yet have a target iteration count.
                 final long duration = System.nanoTime() - mStartTimeNs;
                 if (mIteration >= WARMUP_MIN_ITERATIONS && duration >= WARMUP_DURATION_NS) {
+                    endWarmup();
                     beginBenchmark(duration, mIteration);
                 }
                 return true;
@@ -208,6 +221,7 @@
                 mCustomizedIterations++;
                 if (mCustomizedIterations >= mMaxCustomizedIterations) {
                     mState = FINISHED;
+                    endBenchmark();
                     return false;
                 }
                 mCustomizedIterationListener.onStart(mCustomizedIterations);
diff --git a/api/ApiDocs.bp b/api/ApiDocs.bp
index 1ebe0cd..796c841 100644
--- a/api/ApiDocs.bp
+++ b/api/ApiDocs.bp
@@ -129,6 +129,10 @@
 droidstubs {
     name: "framework-doc-stubs",
     defaults: ["android-non-updatable-doc-stubs-defaults"],
+    flags: [
+        // Ignore any compatibility errors, see check_api.last_released below for more information.
+        "--hide-category Compatibility",
+    ],
     srcs: [":all-modules-public-stubs-source-exportable"],
     api_levels_module: "api_versions_public",
     aidl: {
@@ -137,13 +141,39 @@
             "packages/modules/Media/apex/aidl/stable",
         ],
     },
+
+    // Pass the previously released API to support reverting flagged APIs. Without this, reverting
+    // a flagged API will cause it to be removed, even if it had previously been released. This
+    // has the side effect of causing compatibility issues to be reported but they are already
+    // checked elsewhere so they will be ignored, see `--hide-category Compatibility` above.
+    check_api: {
+        last_released: {
+            api_file: ":android.api.combined.public.latest",
+            removed_api_file: ":android-removed.api.combined.public.latest",
+        },
+    },
 }
 
 droidstubs {
     name: "framework-doc-system-stubs",
     defaults: ["framework-doc-stubs-sources-default"],
-    flags: ["--show-annotation android.annotation.SystemApi\\(client=android.annotation.SystemApi.Client.PRIVILEGED_APPS\\)"],
+    flags: [
+        "--show-annotation android.annotation.SystemApi\\(client=android.annotation.SystemApi.Client.PRIVILEGED_APPS\\)",
+        // Ignore any compatibility errors, see check_api.last_released below for more information.
+        "--hide-category Compatibility",
+    ],
     api_levels_module: "api_versions_system",
+
+    // Pass the previously released API to support reverting flagged APIs. Without this, reverting
+    // a flagged API will cause it to be removed, even if it had previously been released. This
+    // has the side effect of causing compatibility issues to be reported but they are already
+    // checked elsewhere so they will be ignored, see `--hide-category Compatibility` above.
+    check_api: {
+        last_released: {
+            api_file: ":android.api.combined.system.latest",
+            removed_api_file: ":android-removed.api.combined.system.latest",
+        },
+    },
 }
 
 /////////////////////////////////////////////////////////////////////
diff --git a/core/api/current.txt b/core/api/current.txt
index e3a2455..16852ae 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -13034,6 +13034,7 @@
     method @NonNull public abstract android.graphics.drawable.Drawable getUserBadgedDrawableForDensity(@NonNull android.graphics.drawable.Drawable, @NonNull android.os.UserHandle, @Nullable android.graphics.Rect, int);
     method @NonNull public abstract android.graphics.drawable.Drawable getUserBadgedIcon(@NonNull android.graphics.drawable.Drawable, @NonNull android.os.UserHandle);
     method @NonNull public abstract CharSequence getUserBadgedLabel(@NonNull CharSequence, @NonNull android.os.UserHandle);
+    method @FlaggedApi("android.content.pm.cloud_compilation_pm") @NonNull public static android.content.pm.SigningInfo getVerifiedSigningInfo(@NonNull String, int) throws android.content.pm.SigningInfoException;
     method @NonNull @RequiresPermission(value="android.permission.WHITELIST_RESTRICTED_PERMISSIONS", conditional=true) public java.util.Set<java.lang.String> getWhitelistedRestrictedPermissions(@NonNull String, int);
     method @Nullable public abstract android.content.res.XmlResourceParser getXml(@NonNull String, @XmlRes int, @Nullable android.content.pm.ApplicationInfo);
     method public boolean hasSigningCertificate(@NonNull String, @NonNull byte[], int);
@@ -13672,8 +13673,17 @@
     method public android.content.pm.Signature[] getSigningCertificateHistory();
     method public boolean hasMultipleSigners();
     method public boolean hasPastSigningCertificates();
+    method @FlaggedApi("android.content.pm.cloud_compilation_pm") public boolean signersMatchExactly(@NonNull android.content.pm.SigningInfo);
     method public void writeToParcel(android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.content.pm.SigningInfo> CREATOR;
+    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_JAR = 1; // 0x1
+    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V2 = 2; // 0x2
+    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V3 = 3; // 0x3
+    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V4 = 4; // 0x4
+  }
+
+  @FlaggedApi("android.content.pm.cloud_compilation_pm") public class SigningInfoException extends java.lang.Exception {
+    method @FlaggedApi("android.content.pm.cloud_compilation_pm") public int getCode();
   }
 
   public final class VersionedPackage implements android.os.Parcelable {
@@ -48167,7 +48177,7 @@
     method public static void dumpSpans(CharSequence, android.util.Printer, String);
     method public static CharSequence ellipsize(CharSequence, android.text.TextPaint, float, android.text.TextUtils.TruncateAt);
     method public static CharSequence ellipsize(CharSequence, android.text.TextPaint, float, android.text.TextUtils.TruncateAt, boolean, @Nullable android.text.TextUtils.EllipsizeCallback);
-    method public static boolean equals(CharSequence, CharSequence);
+    method public static boolean equals(@Nullable CharSequence, @Nullable CharSequence);
     method public static CharSequence expandTemplate(CharSequence, java.lang.CharSequence...);
     method public static int getCapsMode(CharSequence, int, int);
     method public static void getChars(CharSequence, int, int, char[], int);
diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 5790a73..b2331cb 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -129,7 +129,6 @@
 
   public abstract class PackageManager {
     method @NonNull public String getSdkSandboxPackageName();
-    method @FlaggedApi("android.content.pm.cloud_compilation_pm") @NonNull public static android.content.pm.SigningInfo getVerifiedSigningInfo(@NonNull String, int) throws android.content.pm.SigningInfoException;
     method @RequiresPermission(android.Manifest.permission.MAKE_UID_VISIBLE) public void makeUidVisible(int, int);
     field public static final String EXTRA_VERIFICATION_ROOT_HASH = "android.content.pm.extra.VERIFICATION_ROOT_HASH";
     field public static final int MATCH_STATIC_SHARED_AND_SDK_LIBRARIES = 67108864; // 0x4000000
@@ -140,18 +139,6 @@
     method @NonNull public String getPackageName();
   }
 
-  public final class SigningInfo implements android.os.Parcelable {
-    method @FlaggedApi("android.content.pm.cloud_compilation_pm") public boolean signersMatchExactly(@NonNull android.content.pm.SigningInfo);
-    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_JAR = 1; // 0x1
-    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V2 = 2; // 0x2
-    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V3 = 3; // 0x3
-    field @FlaggedApi("android.content.pm.cloud_compilation_pm") public static final int VERSION_SIGNING_BLOCK_V4 = 4; // 0x4
-  }
-
-  @FlaggedApi("android.content.pm.cloud_compilation_pm") public class SigningInfoException extends java.lang.Exception {
-    method @FlaggedApi("android.content.pm.cloud_compilation_pm") public int getCode();
-  }
-
 }
 
 package android.hardware.usb {
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 59327c8..7862a36 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -2385,6 +2385,12 @@
     method @NonNull public static byte[] digest(@NonNull java.io.InputStream, @NonNull String) throws java.io.IOException, java.security.NoSuchAlgorithmException;
   }
 
+  public class Handler {
+    method @FlaggedApi("android.os.mainline_vcn_platform_api") public final boolean hasMessagesOrCallbacks();
+    method @FlaggedApi("android.os.mainline_vcn_platform_api") public final void removeCallbacksAndEqualMessages(@Nullable Object);
+    method @FlaggedApi("android.os.mainline_vcn_platform_api") public final void removeEqualMessages(int, @Nullable Object);
+  }
+
   public class IpcDataCache<Query, Result> extends android.app.PropertyInvalidatedCache<Query,Result> {
     ctor public IpcDataCache(int, @NonNull String, @NonNull String, @NonNull String, @NonNull android.os.IpcDataCache.QueryHandler<Query,Result>);
     method public static void disableForCurrentProcess(@NonNull String);
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 759d191..fbcefa3 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -3116,16 +3116,6 @@
     public static final long MAXIMUM_VERIFICATION_TIMEOUT = 60*60*1000;
 
     /**
-     * As the generated feature count is useful for classes that may not be compiled in the same
-     * annotation processing unit as PackageManager, we redeclare it here for visibility.
-     *
-     * @hide
-     */
-    @VisibleForTesting
-    public static final int SDK_FEATURE_COUNT =
-            com.android.internal.pm.SystemFeaturesMetadata.SDK_FEATURE_COUNT;
-
-    /**
      * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device's
      * audio pipeline is low-latency, more suitable for audio applications sensitive to delays or
      * lag in sound input or output.
@@ -11863,11 +11853,8 @@
      * file.
      *
      * @throws SigningInfoException if the verification fails
-     *
-     * @hide
      */
     @FlaggedApi(android.content.pm.Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static @NonNull SigningInfo getVerifiedSigningInfo(@NonNull String path,
             @AppSigningSchemeVersion int minAppSigningSchemeVersion) throws SigningInfoException {
         ParseTypeImpl input = ParseTypeImpl.forDefaultParsing();
@@ -11879,4 +11866,28 @@
         }
         return new SigningInfo(result.getResult());
     }
+
+    /**
+     * As the generated feature count is useful for classes that may not be compiled in the same
+     * annotation processing unit as PackageManager, we redeclare it here for visibility.
+     *
+     * @hide
+     */
+    @VisibleForTesting
+    public static final int SDK_FEATURE_COUNT =
+            com.android.internal.pm.SystemFeaturesMetadata.SDK_FEATURE_COUNT;
+
+    /**
+     * Returns a stable index for PackageManager-defined features.
+     *
+     * <p> Similar to {@link #SDK_FEATURE_COUNT}, we redeclare this utility method generated by the
+     * annotation processor for internal visibility.
+     *
+     * @return index in [0, {@link #SDK_FEATURECOUNT}) for PackageManager-defined features, else -1.
+     * @hide
+     */
+    @VisibleForTesting
+    public static int maybeGetSdkFeatureIndex(String featureName) {
+        return com.android.internal.pm.SystemFeaturesMetadata.maybeGetSdkFeatureIndex(featureName);
+    }
 }
diff --git a/core/java/android/content/pm/SigningInfo.java b/core/java/android/content/pm/SigningInfo.java
index e4fbd1f..21bbb0a 100644
--- a/core/java/android/content/pm/SigningInfo.java
+++ b/core/java/android/content/pm/SigningInfo.java
@@ -22,7 +22,6 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.SystemApi;
 import android.content.pm.SigningDetails.SignatureSchemeVersion;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -40,41 +39,29 @@
     /**
      * JAR signing (v1 scheme).
      * See https://source.android.com/docs/security/features/apksigning#v1.
-     *
-     * @hide
      */
     @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int VERSION_JAR = SignatureSchemeVersion.JAR;
 
     /**
      * APK signature scheme v2.
      * See https://source.android.com/docs/security/features/apksigning/v2.
-     *
-     * @hide
      */
     @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int VERSION_SIGNING_BLOCK_V2 = SignatureSchemeVersion.SIGNING_BLOCK_V2;
 
     /**
      * APK signature scheme v3.
      * See https://source.android.com/docs/security/features/apksigning/v3.
-     *
-     * @hide
      */
     @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int VERSION_SIGNING_BLOCK_V3 = SignatureSchemeVersion.SIGNING_BLOCK_V3;
 
     /**
      * APK signature scheme v4.
      * See https://source.android.com/docs/security/features/apksigning/v4.
-     *
-     * @hide
      */
     @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int VERSION_SIGNING_BLOCK_V4 = SignatureSchemeVersion.SIGNING_BLOCK_V4;
 
     /** @hide */
@@ -255,11 +242,8 @@
 
     /**
      * Returns true if the signing certificates in this and other match exactly.
-     *
-     * @hide
      */
     @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public boolean signersMatchExactly(@NonNull SigningInfo other) {
         return mSigningDetails.signaturesMatchExactly(other.mSigningDetails);
     }
diff --git a/core/java/android/content/pm/SigningInfoException.java b/core/java/android/content/pm/SigningInfoException.java
index a81e07e..2fd1bfb 100644
--- a/core/java/android/content/pm/SigningInfoException.java
+++ b/core/java/android/content/pm/SigningInfoException.java
@@ -19,17 +19,13 @@
 import android.annotation.FlaggedApi;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.SystemApi;
 
 /**
  * Indicates an error when verifying the
  * <a href="https://source.android.com/docs/security/features/apksigning">app signing</a>
  * information.
- *
- * @hide
  */
 @FlaggedApi(Flags.FLAG_CLOUD_COMPILATION_PM)
-@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
 public class SigningInfoException extends Exception {
     private final int mCode;
 
diff --git a/core/java/android/content/pm/flags.aconfig b/core/java/android/content/pm/flags.aconfig
index 901326d..2b8780c 100644
--- a/core/java/android/content/pm/flags.aconfig
+++ b/core/java/android/content/pm/flags.aconfig
@@ -149,6 +149,13 @@
 }
 
 flag {
+    name: "cache_sdk_system_features"
+    namespace: "system_performance"
+    description: "Feature flag to enable optimized cache for SDK-defined system feature lookups."
+    bug: "375000483"
+}
+
+flag {
     name: "provide_info_of_apk_in_apex"
     is_exported: true
     namespace: "package_manager_service"
diff --git a/core/java/android/net/flags.aconfig b/core/java/android/net/flags.aconfig
index f7dc790..a30cd5c 100644
--- a/core/java/android/net/flags.aconfig
+++ b/core/java/android/net/flags.aconfig
@@ -28,3 +28,11 @@
     purpose: PURPOSE_BUGFIX
   }
 }
+
+flag {
+  name: "mdns_improvement_for_25q2"
+  is_exported: true
+  namespace: "android_core_networking"
+  description: "Flag for MDNS quality, reliability and performance improvement in 25Q2"
+  bug: "373270045"
+}
diff --git a/core/java/android/os/Handler.java b/core/java/android/os/Handler.java
index d0828c3..eaecd34 100644
--- a/core/java/android/os/Handler.java
+++ b/core/java/android/os/Handler.java
@@ -20,6 +20,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.util.Log;
 import android.util.Printer;
@@ -839,6 +840,7 @@
      *@hide
      */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @TestApi
     @FlaggedApi(android.os.Flags.FLAG_MAINLINE_VCN_PLATFORM_API)
     public final void removeEqualMessages(int what, @Nullable Object object) {
         mQueue.removeEqualMessages(this, what, disallowNullArgumentIfShared(object));
@@ -872,6 +874,7 @@
      *@hide
      */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @TestApi
     @FlaggedApi(android.os.Flags.FLAG_MAINLINE_VCN_PLATFORM_API)
     public final void removeCallbacksAndEqualMessages(@Nullable Object token) {
         mQueue.removeCallbacksAndEqualMessages(this, disallowNullArgumentIfShared(token));
@@ -889,6 +892,7 @@
      * @hide
      */
     @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    @TestApi
     @FlaggedApi(android.os.Flags.FLAG_MAINLINE_VCN_PLATFORM_API)
     public final boolean hasMessagesOrCallbacks() {
         return mQueue.hasMessages(this);
diff --git a/core/java/android/os/Looper.java b/core/java/android/os/Looper.java
index ddf2b61..0125905 100644
--- a/core/java/android/os/Looper.java
+++ b/core/java/android/os/Looper.java
@@ -332,16 +332,55 @@
         return -1;
     }
 
+    private static int getThreadGroup() {
+        int threadGroup = Process.THREAD_GROUP_DEFAULT;
+
+        if (!Process.isIsolated()) {
+            threadGroup = Process.getProcessGroup(Process.myTid());
+        }
+        return threadGroup;
+    }
+
+    private static String threadGroupToString(int threadGroup) {
+        switch (threadGroup) {
+            case Process.THREAD_GROUP_BACKGROUND:
+                return "BACKGROUND";
+            case Process.THREAD_GROUP_FOREGROUND:
+                return "FOREGROUND";
+            case Process.THREAD_GROUP_SYSTEM:
+                return "SYSTEM";
+            case Process.THREAD_GROUP_AUDIO_APP:
+                return "AUDIO_APP";
+            case Process.THREAD_GROUP_AUDIO_SYS:
+                return "AUDIO_SYS";
+            case Process.THREAD_GROUP_TOP_APP:
+                return "TOP_APP";
+            case Process.THREAD_GROUP_RT_APP:
+                return "RT_APP";
+            case Process.THREAD_GROUP_RESTRICTED:
+                return "RESTRICTED";
+            default:
+                return "UNKNOWN";
+        }
+    }
+
     private static boolean showSlowLog(long threshold, long measureStart, long measureEnd,
             String what, Message msg) {
         final long actualTime = measureEnd - measureStart;
         if (actualTime < threshold) {
             return false;
         }
+
+        String name = Process.myProcessName();
+        String threadGroup = threadGroupToString(getThreadGroup());
+        boolean isMain = myLooper() == getMainLooper();
+
         // For slow delivery, the current message isn't really important, but log it anyway.
         Slog.w(TAG, "Slow " + what + " took " + actualTime + "ms "
-                + Thread.currentThread().getName() + " h="
-                + msg.target.getClass().getName() + " c=" + msg.callback + " m=" + msg.what);
+                + Thread.currentThread().getName() + " app=" + name
+                + " main=" + isMain + " group=" + threadGroup
+                + " h=" + msg.target.getClass().getName() + " c=" + msg.callback
+                + " m=" + msg.what);
         return true;
     }
 
diff --git a/core/java/android/os/OWNERS b/core/java/android/os/OWNERS
index 8d35338..f3bb514 100644
--- a/core/java/android/os/OWNERS
+++ b/core/java/android/os/OWNERS
@@ -115,13 +115,20 @@
 # Performance
 per-file IpcDataCache.java = file:/PERFORMANCE_OWNERS
 
+# Processes, threads, and scheduling
+per-file Process.java = file:/PERFORMANCE_OWNERS
+
 # Memory
 per-file OomKillRecord.java = file:/MEMORY_OWNERS
 
 # MessageQueue and related classes
 per-file MessageQueue.java = mfasheh@google.com, shayba@google.com
 per-file Message.java = mfasheh@google.com, shayba@google.com
+per-file Looper.java = mfasheh@google.com, shayba@google.com
 per-file TestLooperManager.java = mfasheh@google.com, shayba@google.com
+per-file Handler.java = mfasheh@google.com, shayba@google.com
+per-file HandlerThread.java = mfasheh@google.com, shayba@google.com
+per-file HandlerExecutor.java = mfasheh@google.com, shayba@google.com
 
 # Stats
 per-file IStatsBootstrapAtomService.aidl = file:/services/core/java/com/android/server/stats/OWNERS
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 851953a..80a8dbe 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -560,10 +560,9 @@
      * Foreground thread group - All threads in
      * this group are scheduled with a normal share of the CPU.
      * Value is same as constant SP_FOREGROUND of enum SchedPolicy.
-     * Not used at this level.
      * @hide
      **/
-    private static final int THREAD_GROUP_FOREGROUND = 1;
+    public static final int THREAD_GROUP_FOREGROUND = 1;
 
     /**
      * System thread group.
@@ -1316,19 +1315,6 @@
     }
 
     /**
-     * Adjust the swappiness level for a process.
-     *
-     * @param pid The process identifier to set.
-     * @param is_increased Whether swappiness should be increased or default.
-     *
-     * @return Returns true if the underlying system supports this
-     *         feature, else false.
-     *
-     * {@hide}
-     */
-    public static final native boolean setSwappiness(int pid, boolean is_increased);
-
-    /**
      * Change this process's argv[0] parameter.  This can be useful to show
      * more descriptive information in things like the 'ps' command.
      *
diff --git a/core/java/android/os/ServiceManagerNative.java b/core/java/android/os/ServiceManagerNative.java
index 49b696d..7ea521e 100644
--- a/core/java/android/os/ServiceManagerNative.java
+++ b/core/java/android/os/ServiceManagerNative.java
@@ -50,7 +50,8 @@
 class ServiceManagerProxy implements IServiceManager {
     public ServiceManagerProxy(IBinder remote) {
         mRemote = remote;
-        mServiceManager = IServiceManager.Stub.asInterface(this.getNativeServiceManager());
+        mServiceManager = IServiceManager.Stub.asInterface(
+            Binder.allowBlocking(this.getNativeServiceManager()));
     }
 
     public IBinder asBinder() {
diff --git a/core/java/android/os/health/OWNERS b/core/java/android/os/health/OWNERS
index 6045344..26fc8fa 100644
--- a/core/java/android/os/health/OWNERS
+++ b/core/java/android/os/health/OWNERS
@@ -2,3 +2,6 @@
 
 dplotnikov@google.com
 mwachens@google.com
+
+# for headroom API only
+xwxw@google.com
\ No newline at end of file
diff --git a/core/java/android/text/TextUtils.java b/core/java/android/text/TextUtils.java
index 6ea462e..71c9a2a 100644
--- a/core/java/android/text/TextUtils.java
+++ b/core/java/android/text/TextUtils.java
@@ -675,7 +675,7 @@
      * @return true if a and b are equal
      */
     @android.ravenwood.annotation.RavenwoodKeep
-    public static boolean equals(CharSequence a, CharSequence b) {
+    public static boolean equals(@Nullable CharSequence a, @Nullable CharSequence b) {
         if (a == b) return true;
         int length;
         if (a != null && b != null && (length = a.length()) == b.length()) {
diff --git a/core/java/com/android/internal/app/NfcResolverActivity.java b/core/java/com/android/internal/app/NfcResolverActivity.java
index 78427fe..f15dbd6 100644
--- a/core/java/com/android/internal/app/NfcResolverActivity.java
+++ b/core/java/com/android/internal/app/NfcResolverActivity.java
@@ -34,13 +34,13 @@
     @Override
     @SuppressWarnings("MissingSuperCall")  // Called indirectly via `super_onCreate()`.
     protected void onCreate(Bundle savedInstanceState) {
-        if (!enableNfcMainline()) {
+        Intent intent = getIntent();
+        if (!enableNfcMainline() || intent.getExtras() == null) {
             super_onCreate(savedInstanceState);
             finish();
             return;
         }
 
-        Intent intent = getIntent();
         Intent target = intent.getParcelableExtra(Intent.EXTRA_INTENT, Intent.class);
         ArrayList<ResolveInfo> rList =
                 intent.getParcelableArrayListExtra(
diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index 19c6f51..9bd5237 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -1326,7 +1326,7 @@
         try {
             getLockSettings().registerStrongAuthTracker(strongAuthTracker.getStub());
         } catch (RemoteException e) {
-            throw new RuntimeException("Could not register StrongAuthTracker");
+            e.rethrowFromSystemServer();
         }
     }
 
diff --git a/core/jni/android_util_Process.cpp b/core/jni/android_util_Process.cpp
index 4369cb0..22d5ab8 100644
--- a/core/jni/android_util_Process.cpp
+++ b/core/jni/android_util_Process.cpp
@@ -584,32 +584,6 @@
     return pri;
 }
 
-jboolean android_os_Process_setSwappiness(JNIEnv *env, jobject clazz,
-                                          jint pid, jboolean is_increased)
-{
-    char text[64];
-
-    if (is_increased) {
-        strcpy(text, "/sys/fs/cgroup/memory/sw/tasks");
-    } else {
-        strcpy(text, "/sys/fs/cgroup/memory/tasks");
-    }
-
-    struct stat st;
-    if (stat(text, &st) || !S_ISREG(st.st_mode)) {
-        return false;
-    }
-
-    int fd = open(text, O_WRONLY | O_CLOEXEC);
-    if (fd >= 0) {
-        sprintf(text, "%" PRId32, pid);
-        write(fd, text, strlen(text));
-        close(fd);
-    }
-
-    return true;
-}
-
 void android_os_Process_setArgV0(JNIEnv* env, jobject clazz, jstring name)
 {
     if (name == NULL) {
@@ -1392,7 +1366,6 @@
         {"getProcessGroup", "(I)I", (void*)android_os_Process_getProcessGroup},
         {"createProcessGroup", "(II)I", (void*)android_os_Process_createProcessGroup},
         {"getExclusiveCores", "()[I", (void*)android_os_Process_getExclusiveCores},
-        {"setSwappiness", "(IZ)Z", (void*)android_os_Process_setSwappiness},
         {"setArgV0Native", "(Ljava/lang/String;)V", (void*)android_os_Process_setArgV0},
         {"setUid", "(I)I", (void*)android_os_Process_setUid},
         {"setGid", "(I)I", (void*)android_os_Process_setGid},
diff --git a/core/jni/com_android_internal_content_FileSystemUtils.cpp b/core/jni/com_android_internal_content_FileSystemUtils.cpp
index 76ead2a..48c92c8 100644
--- a/core/jni/com_android_internal_content_FileSystemUtils.cpp
+++ b/core/jni/com_android_internal_content_FileSystemUtils.cpp
@@ -21,8 +21,6 @@
 #include <android-base/file.h>
 #include <android-base/hex.h>
 #include <android-base/unique_fd.h>
-#include <bionic/macros.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <linux/fs.h>
@@ -48,8 +46,8 @@
         return false;
     }
 
-    start = align_up(start, blockSize);
-    end = align_down(end, blockSize);
+    start = __builtin_align_up(start, blockSize);
+    end = __builtin_align_down(end, blockSize);
 
     uint64_t alignedLength;
     if (__builtin_sub_overflow(end, start, &alignedLength)) {
@@ -67,7 +65,7 @@
     int result =
             fallocate(fd.get(), FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, start, alignedLength);
     if (result < 0) {
-        ALOGE("fallocate failed to punch hole, error:%d", errno);
+        ALOGE("fallocate failed to punch hole: %m");
         return false;
     }
 
@@ -78,7 +76,7 @@
                 const std::vector<Elf64_Phdr> &programHeaders) {
     struct stat64 beforePunch;
     if (int result = lstat64(filePath, &beforePunch); result != 0) {
-        ALOGE("lstat64 failed for filePath %s, error:%d", filePath, errno);
+        ALOGE("lstat64 failed for filePath %s: %m", filePath);
         return false;
     }
 
@@ -190,7 +188,7 @@
     IF_ALOGD() {
         struct stat64 afterPunch;
         if (int result = lstat64(filePath, &afterPunch); result != 0) {
-            ALOGD("lstat64 failed for filePath %s, error:%d", filePath, errno);
+            ALOGD("lstat64 failed for filePath %s: %m", filePath);
             return false;
         }
         ALOGD("Size after punching holes st_blocks: %" PRIu64 ", st_blksize: %" PRIu64
@@ -269,7 +267,7 @@
 
     struct stat64 beforePunch;
     if (int result = lstat64(filePath, &beforePunch); result != 0) {
-        ALOGE("lstat64 failed for filePath %s, error:%d", filePath, errno);
+        ALOGE("lstat64 failed for filePath %s: %m", filePath);
         return false;
     }
 
@@ -348,7 +346,7 @@
     IF_ALOGD() {
         struct stat64 afterPunch;
         if (int result = lstat64(filePath, &afterPunch); result != 0) {
-            ALOGD("lstat64 failed for filePath %s, error:%d", filePath, errno);
+            ALOGD("lstat64 failed for filePath %s: %m", filePath);
             return false;
         }
         ALOGD("punchHolesInApk:: Size after punching holes st_blocks: %" PRIu64
diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index aeaeeca..8c7b335 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -88,8 +88,8 @@
 #include "nativebridge/native_bridge.h"
 
 #if defined(__BIONIC__)
+#include <android/dlext_private.h>
 extern "C" void android_reset_stack_guards();
-extern "C" void android_set_16kb_appcompat_mode(bool enable_app_compat);
 #endif
 
 namespace {
diff --git a/framework-jarjar-rules.txt b/framework-jarjar-rules.txt
index 087378b..3da69e8 100644
--- a/framework-jarjar-rules.txt
+++ b/framework-jarjar-rules.txt
@@ -10,3 +10,6 @@
 
 # For Perfetto proto dependencies
 rule perfetto.protos.** android.internal.perfetto.protos.@1
+
+# For aconfig storage classes
+rule android.aconfig.storage.** android.internal.aconfig.storage.@1
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
index 4287daa..4f22c14 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
@@ -2871,7 +2871,8 @@
                     mSplitLayout.update(startTransaction, false /* resetImePosition */);
                 }
 
-                if (mMixedHandler.isEnteringPip(change, transitType)) {
+                if (mMixedHandler.isEnteringPip(change, transitType)
+                        && getSplitItemStage(change.getLastParent()) != STAGE_TYPE_UNDEFINED) {
                     pipChange = change;
                 }
 
diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index fc184fe..8419ce7 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -1149,9 +1149,9 @@
 
 static jobject getJavaResources(
         JNIEnv *env,
-        const std::vector<MediaCodec::InstanceResourceInfo>& resources) {
+        const std::vector<InstanceResourceInfo>& resources) {
     jobject resourcesObj = env->NewObject(gArrayListInfo.clazz, gArrayListInfo.ctorId);
-    for (const MediaCodec::InstanceResourceInfo& res : resources) {
+    for (const InstanceResourceInfo& res : resources) {
         ScopedLocalRef<jobject> object{env, env->NewObject(
                 gInstanceResourceInfo.clazz, gInstanceResourceInfo.ctorId)};
         ScopedLocalRef<jstring> nameStr{env, env->NewStringUTF(res.mName.c_str())};
@@ -1169,7 +1169,7 @@
 }
 
 status_t JMediaCodec::getRequiredResources(JNIEnv *env, jobject *resourcesObj) {
-    std::vector<MediaCodec::InstanceResourceInfo> resources;
+    std::vector<InstanceResourceInfo> resources;
     status_t status = mCodec->getRequiredResources(resources);
     if (status != OK) {
         return status;
@@ -3615,9 +3615,9 @@
 
 static jobject getJavaResources(
         JNIEnv *env,
-        const std::vector<MediaCodec::GlobalResourceInfo>& resources) {
+        const std::vector<GlobalResourceInfo>& resources) {
     jobject resourcesObj = env->NewObject(gArrayListInfo.clazz, gArrayListInfo.ctorId);
-    for (const MediaCodec::GlobalResourceInfo& res : resources) {
+    for (const GlobalResourceInfo& res : resources) {
         ScopedLocalRef<jobject> object{env, env->NewObject(
                 gGlobalResourceInfo.clazz, gGlobalResourceInfo.ctorId)};
         ScopedLocalRef<jstring> nameStr{env, env->NewStringUTF(res.mName.c_str())};
@@ -3633,7 +3633,7 @@
 static jobject android_media_MediaCodec_getGloballyAvailableResources(
         JNIEnv *env, jobject thiz) {
     (void)thiz;
-    std::vector<MediaCodec::GlobalResourceInfo> resources;
+    std::vector<GlobalResourceInfo> resources;
     status_t status = MediaCodec::getGloballyAvailableResources(resources);
     if (status != OK) {
         if (status == ERROR_UNSUPPORTED) {
diff --git a/nfc/Android.bp b/nfc/Android.bp
index abe0ab7..c33665a 100644
--- a/nfc/Android.bp
+++ b/nfc/Android.bp
@@ -56,7 +56,7 @@
     ],
     defaults: ["framework-module-defaults"],
     sdk_version: "module_current",
-    min_sdk_version: "current",
+    min_sdk_version: "35", // Make it 36 once available.
     installable: true,
     optimize: {
         enabled: false,
@@ -71,6 +71,7 @@
         "//cts/hostsidetests/multidevices/nfc:__subpackages__",
         "//cts/tests/tests/nfc",
         "//packages/apps/Nfc:__subpackages__",
+        "//packages/modules/Nfc:__subpackages__",
     ],
     jarjar_rules: ":nfc-jarjar-rules",
     lint: {
diff --git a/nfc/OWNERS b/nfc/OWNERS
index 35e9713..f46dccd 100644
--- a/nfc/OWNERS
+++ b/nfc/OWNERS
@@ -1,2 +1,2 @@
 # Bug component: 48448
-include platform/packages/apps/Nfc:/OWNERS
+include platform/packages/apps/Nfc:/OWNERS
\ No newline at end of file
diff --git a/nfc/api/current.txt b/nfc/api/current.txt
index 0ee81cb..c8c479a 100644
--- a/nfc/api/current.txt
+++ b/nfc/api/current.txt
@@ -211,7 +211,7 @@
     method public boolean isDefaultServiceForCategory(android.content.ComponentName, String);
     method @FlaggedApi("android.nfc.enable_card_emulation_euicc") public boolean isEuiccSupported();
     method public boolean registerAidsForService(android.content.ComponentName, String, java.util.List<java.lang.String>);
-    method @FlaggedApi("android.nfc.nfc_event_listener") public void registerNfcEventListener(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.cardemulation.CardEmulation.NfcEventListener);
+    method @FlaggedApi("android.nfc.nfc_event_listener") public void registerNfcEventCallback(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.cardemulation.CardEmulation.NfcEventCallback);
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean registerPollingLoopFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean registerPollingLoopPatternFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
     method public boolean removeAidsForService(android.content.ComponentName, String);
@@ -221,7 +221,7 @@
     method public boolean setPreferredService(android.app.Activity, android.content.ComponentName);
     method @FlaggedApi("android.nfc.nfc_observe_mode") public boolean setShouldDefaultToObserveModeForService(@NonNull android.content.ComponentName, boolean);
     method public boolean supportsAidPrefixRegistration();
-    method @FlaggedApi("android.nfc.nfc_event_listener") public void unregisterNfcEventListener(@NonNull android.nfc.cardemulation.CardEmulation.NfcEventListener);
+    method @FlaggedApi("android.nfc.nfc_event_listener") public void unregisterNfcEventCallback(@NonNull android.nfc.cardemulation.CardEmulation.NfcEventCallback);
     method @NonNull @RequiresPermission(android.Manifest.permission.NFC) public boolean unsetOffHostForService(@NonNull android.content.ComponentName);
     method public boolean unsetPreferredService(android.app.Activity);
     field @Deprecated public static final String ACTION_CHANGE_DEFAULT = "android.nfc.cardemulation.action.ACTION_CHANGE_DEFAULT";
@@ -244,7 +244,7 @@
     field public static final int SELECTION_MODE_PREFER_DEFAULT = 0; // 0x0
   }
 
-  @FlaggedApi("android.nfc.nfc_event_listener") public static interface CardEmulation.NfcEventListener {
+  @FlaggedApi("android.nfc.nfc_event_listener") public static interface CardEmulation.NfcEventCallback {
     method @FlaggedApi("android.nfc.nfc_event_listener") public default void onAidConflictOccurred(@NonNull String);
     method @FlaggedApi("android.nfc.nfc_event_listener") public default void onAidNotRouted(@NonNull String);
     method @FlaggedApi("android.nfc.nfc_event_listener") public default void onInternalErrorReported(int);
diff --git a/nfc/java/android/nfc/INfcCardEmulation.aidl b/nfc/java/android/nfc/INfcCardEmulation.aidl
index bb9fe95..00ceaa9 100644
--- a/nfc/java/android/nfc/INfcCardEmulation.aidl
+++ b/nfc/java/android/nfc/INfcCardEmulation.aidl
@@ -17,7 +17,7 @@
 package android.nfc;
 
 import android.content.ComponentName;
-import android.nfc.INfcEventListener;
+import android.nfc.INfcEventCallback;
 
 import android.nfc.cardemulation.AidGroup;
 import android.nfc.cardemulation.ApduServiceInfo;
@@ -60,6 +60,6 @@
     List<String> getRoutingStatus();
     void overwriteRoutingTable(int userHandle, String emptyAid, String protocol, String tech, String sc);
 
-    void registerNfcEventListener(in INfcEventListener listener);
-    void unregisterNfcEventListener(in INfcEventListener listener);
+    void registerNfcEventCallback(in INfcEventCallback listener);
+    void unregisterNfcEventCallback(in INfcEventCallback listener);
 }
diff --git a/nfc/java/android/nfc/INfcEventListener.aidl b/nfc/java/android/nfc/INfcEventCallback.aidl
similarity index 92%
rename from nfc/java/android/nfc/INfcEventListener.aidl
rename to nfc/java/android/nfc/INfcEventCallback.aidl
index 774d8f8..af1fa2fb 100644
--- a/nfc/java/android/nfc/INfcEventListener.aidl
+++ b/nfc/java/android/nfc/INfcEventCallback.aidl
@@ -5,7 +5,7 @@
 /**
  * @hide
  */
-oneway interface INfcEventListener {
+oneway interface INfcEventCallback {
     void onPreferredServiceChanged(in ComponentNameAndUser ComponentNameAndUser);
     void onObserveModeStateChanged(boolean isEnabled);
     void onAidConflictOccurred(in String aid);
diff --git a/nfc/java/android/nfc/NfcAdapter.java b/nfc/java/android/nfc/NfcAdapter.java
index 89ce423..63397c2 100644
--- a/nfc/java/android/nfc/NfcAdapter.java
+++ b/nfc/java/android/nfc/NfcAdapter.java
@@ -1789,6 +1789,11 @@
      * @param listenTechnology Flags indicating listen technologies.
      * @throws UnsupportedOperationException if FEATURE_NFC,
      * FEATURE_NFC_HOST_CARD_EMULATION, FEATURE_NFC_HOST_CARD_EMULATION_NFCF are unavailable.
+     *
+     * NOTE: This API overrides all technology flags regardless of the current device state,
+     *       it is incompatible with enableReaderMode() API and the others that either update
+     *       or assume any techlology flag set by the OS.
+     *       Please use with care.
      */
 
     @FlaggedApi(Flags.FLAG_ENABLE_NFC_SET_DISCOVERY_TECH)
diff --git a/nfc/java/android/nfc/cardemulation/CardEmulation.java b/nfc/java/android/nfc/cardemulation/CardEmulation.java
index e0bc15f..fee9c5b 100644
--- a/nfc/java/android/nfc/cardemulation/CardEmulation.java
+++ b/nfc/java/android/nfc/cardemulation/CardEmulation.java
@@ -39,7 +39,7 @@
 import android.nfc.Constants;
 import android.nfc.Flags;
 import android.nfc.INfcCardEmulation;
-import android.nfc.INfcEventListener;
+import android.nfc.INfcEventCallback;
 import android.nfc.NfcAdapter;
 import android.os.Build;
 import android.os.RemoteException;
@@ -1304,7 +1304,7 @@
 
     /** Listener for preferred service state changes. */
     @FlaggedApi(android.nfc.Flags.FLAG_NFC_EVENT_LISTENER)
-    public interface NfcEventListener {
+    public interface NfcEventCallback {
         /**
          * This method is called when this package gains or loses preferred Nfc service status,
          * either the Default Wallet Role holder (see {@link
@@ -1327,7 +1327,10 @@
 
         /**
          * This method is called when an AID conflict is detected during an NFC transaction. This
-         * can happen when multiple services are registered for the same AID.
+         * can happen when multiple services are registered for the same AID. If your service is
+         * registered for this AID you may want to instruct users to bring your app to the
+         * foreground and ensure you call {@link #setPreferredService(Activity, ComponentName)}
+         * to ensure the transaction is routed to your service.
          *
          * @param aid The AID that is in conflict
          */
@@ -1377,10 +1380,10 @@
         default void onInternalErrorReported(@NfcInternalErrorType int errorType) {}
     }
 
-    private final ArrayMap<NfcEventListener, Executor> mNfcEventListeners = new ArrayMap<>();
+    private final ArrayMap<NfcEventCallback, Executor> mNfcEventCallbacks = new ArrayMap<>();
 
-    final INfcEventListener mINfcEventListener =
-            new INfcEventListener.Stub() {
+    final INfcEventCallback mINfcEventCallback =
+            new INfcEventCallback.Stub() {
                 public void onPreferredServiceChanged(ComponentNameAndUser componentNameAndUser) {
                     if (!android.nfc.Flags.nfcEventListener()) {
                         return;
@@ -1440,12 +1443,12 @@
                 }
 
                 interface ListenerCall {
-                    void invoke(NfcEventListener listener);
+                    void invoke(NfcEventCallback listener);
                 }
 
                 private void callListeners(ListenerCall listenerCall) {
-                    synchronized (mNfcEventListeners) {
-                        mNfcEventListeners.forEach(
+                    synchronized (mNfcEventCallbacks) {
+                        mNfcEventCallbacks.forEach(
                             (listener, executor) -> {
                                 executor.execute(() -> listenerCall.invoke(listener));
                             });
@@ -1460,34 +1463,34 @@
      * @param listener The listener to register
      */
     @FlaggedApi(android.nfc.Flags.FLAG_NFC_EVENT_LISTENER)
-    public void registerNfcEventListener(
-            @NonNull @CallbackExecutor Executor executor, @NonNull NfcEventListener listener) {
+    public void registerNfcEventCallback(
+            @NonNull @CallbackExecutor Executor executor, @NonNull NfcEventCallback listener) {
         if (!android.nfc.Flags.nfcEventListener()) {
             return;
         }
-        synchronized (mNfcEventListeners) {
-            mNfcEventListeners.put(listener, executor);
-            if (mNfcEventListeners.size() == 1) {
-                callService(() -> sService.registerNfcEventListener(mINfcEventListener));
+        synchronized (mNfcEventCallbacks) {
+            mNfcEventCallbacks.put(listener, executor);
+            if (mNfcEventCallbacks.size() == 1) {
+                callService(() -> sService.registerNfcEventCallback(mINfcEventCallback));
             }
         }
     }
 
     /**
      * Unregister a preferred service listener that was previously registered with {@link
-     * #registerNfcEventListener(Executor, NfcEventListener)}
+     * #registerNfcEventCallback(Executor, NfcEventCallback)}
      *
      * @param listener The previously registered listener to unregister
      */
     @FlaggedApi(android.nfc.Flags.FLAG_NFC_EVENT_LISTENER)
-    public void unregisterNfcEventListener(@NonNull NfcEventListener listener) {
+    public void unregisterNfcEventCallback(@NonNull NfcEventCallback listener) {
         if (!android.nfc.Flags.nfcEventListener()) {
             return;
         }
-        synchronized (mNfcEventListeners) {
-            mNfcEventListeners.remove(listener);
-            if (mNfcEventListeners.size() == 0) {
-                callService(() -> sService.unregisterNfcEventListener(mINfcEventListener));
+        synchronized (mNfcEventCallbacks) {
+            mNfcEventCallbacks.remove(listener);
+            if (mNfcEventCallbacks.size() == 0) {
+                callService(() -> sService.unregisterNfcEventCallback(mINfcEventCallback));
             }
         }
     }
diff --git a/nfc/java/android/nfc/cardemulation/HostApduService.java b/nfc/java/android/nfc/cardemulation/HostApduService.java
index db1f6a2..fbf2203 100644
--- a/nfc/java/android/nfc/cardemulation/HostApduService.java
+++ b/nfc/java/android/nfc/cardemulation/HostApduService.java
@@ -289,7 +289,7 @@
                         try {
                             mNfcService.send(responseMsg);
                         } catch (RemoteException e) {
-                            Log.e("TAG", "Response not sent; RemoteException calling into " +
+                            Log.e(TAG, "Response not sent; RemoteException calling into " +
                                     "NfcService.");
                         }
                     }
diff --git a/nfc/java/android/nfc/cardemulation/OWNERS b/nfc/java/android/nfc/cardemulation/OWNERS
deleted file mode 100644
index 35e9713..0000000
--- a/nfc/java/android/nfc/cardemulation/OWNERS
+++ /dev/null
@@ -1,2 +0,0 @@
-# Bug component: 48448
-include platform/packages/apps/Nfc:/OWNERS
diff --git a/nfc/java/android/nfc/dta/OWNERS b/nfc/java/android/nfc/dta/OWNERS
deleted file mode 100644
index 35e9713..0000000
--- a/nfc/java/android/nfc/dta/OWNERS
+++ /dev/null
@@ -1,2 +0,0 @@
-# Bug component: 48448
-include platform/packages/apps/Nfc:/OWNERS
diff --git a/nfc/java/android/nfc/tech/OWNERS b/nfc/java/android/nfc/tech/OWNERS
deleted file mode 100644
index 35e9713..0000000
--- a/nfc/java/android/nfc/tech/OWNERS
+++ /dev/null
@@ -1,2 +0,0 @@
-# Bug component: 48448
-include platform/packages/apps/Nfc:/OWNERS
diff --git a/nfc/tests/src/android/nfc/NfcAntennaInfoTest.java b/nfc/tests/src/android/nfc/NfcAntennaInfoTest.java
new file mode 100644
index 0000000..c24816d
--- /dev/null
+++ b/nfc/tests/src/android/nfc/NfcAntennaInfoTest.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package android.nfc;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class NfcAntennaInfoTest {
+    private NfcAntennaInfo mNfcAntennaInfo;
+
+
+    @Before
+    public void setUp() {
+        AvailableNfcAntenna availableNfcAntenna = mock(AvailableNfcAntenna.class);
+        List<AvailableNfcAntenna> antennas = new ArrayList<>();
+        antennas.add(availableNfcAntenna);
+        mNfcAntennaInfo = new NfcAntennaInfo(1, 1, false, antennas);
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    @Test
+    public void testGetDeviceHeight() {
+        int height = mNfcAntennaInfo.getDeviceHeight();
+        assertThat(height).isEqualTo(1);
+    }
+
+    @Test
+    public void testGetDeviceWidth() {
+        int width = mNfcAntennaInfo.getDeviceWidth();
+        assertThat(width).isEqualTo(1);
+    }
+
+    @Test
+    public void testIsDeviceFoldable() {
+        boolean foldable = mNfcAntennaInfo.isDeviceFoldable();
+        assertThat(foldable).isFalse();
+    }
+
+    @Test
+    public void testGetAvailableNfcAntennas() {
+        List<AvailableNfcAntenna> antennas = mNfcAntennaInfo.getAvailableNfcAntennas();
+        assertThat(antennas).isNotNull();
+        assertThat(antennas.size()).isEqualTo(1);
+    }
+
+}
diff --git a/nfc/tests/src/android/nfc/cardemulation/AidGroupTest.java b/nfc/tests/src/android/nfc/cardemulation/AidGroupTest.java
new file mode 100644
index 0000000..7e00102
--- /dev/null
+++ b/nfc/tests/src/android/nfc/cardemulation/AidGroupTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package android.nfc.cardemulation;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.isNull;
+import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import android.os.Parcel;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.xmlpull.v1.XmlSerializer;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class AidGroupTest {
+    private AidGroup mAidGroup;
+
+    @Before
+    public void setUp() {
+        List<String> aids = new ArrayList<>();
+        aids.add("A0000000031010");
+        aids.add("A0000000041010");
+        aids.add("A0000000034710");
+        aids.add("A000000300");
+        mAidGroup = new AidGroup(aids, "payment");
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    @Test
+    public void testGetCategory() {
+        String category = mAidGroup.getCategory();
+        assertThat(category).isNotNull();
+        assertThat(category).isEqualTo("payment");
+    }
+
+    @Test
+    public void testGetAids() {
+        List<String> aids = mAidGroup.getAids();
+        assertThat(aids).isNotNull();
+        assertThat(aids.size()).isGreaterThan(0);
+        assertThat(aids.get(0)).isEqualTo("A0000000031010");
+    }
+
+    @Test
+    public void testWriteAsXml() throws IOException {
+        XmlSerializer out = mock(XmlSerializer.class);
+        mAidGroup.writeAsXml(out);
+        verify(out, atLeastOnce()).startTag(isNull(), anyString());
+        verify(out, atLeastOnce()).attribute(isNull(), anyString(), anyString());
+        verify(out, atLeastOnce()).endTag(isNull(), anyString());
+    }
+
+    @Test
+    public void testRightToParcel() {
+        Parcel parcel = mock(Parcel.class);
+        mAidGroup.writeToParcel(parcel, 0);
+        verify(parcel).writeString8(anyString());
+        verify(parcel).writeInt(anyInt());
+        verify(parcel).writeStringList(any());
+    }
+}
diff --git a/packages/Shell/OWNERS b/packages/Shell/OWNERS
index c3ecff4..dd939bb 100644
--- a/packages/Shell/OWNERS
+++ b/packages/Shell/OWNERS
@@ -12,3 +12,7 @@
 omakoto@google.com
 michaelwr@google.com
 ronish@google.com
+
+# Wear Bugreport Owners
+ranamouawi@google.com
+yashasvig@google.com
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index bcfd8f6..75156ba 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -236,6 +236,9 @@
     /** Always keep remote bugreport files created in the last day. */
     private static final long REMOTE_MIN_KEEP_AGE = DateUtils.DAY_IN_MILLIS;
 
+    /** Minimum delay for sending last update notification */
+    private static final int DELAY_NOTIFICATION_MS = 250;
+
     private final Object mLock = new Object();
 
     /** Managed bugreport info (keyed by id) */
@@ -849,6 +852,7 @@
             Log.d(TAG, "Progress #" + info.id + ": " + percentageText);
         }
         info.lastProgress.set(progress);
+        info.lastUpdate.set(System.currentTimeMillis());
 
         sendForegroundabledNotification(info.id, builder.build());
     }
@@ -1368,6 +1372,16 @@
      */
     private void sendBugreportNotification(BugreportInfo info, boolean takingScreenshot) {
 
+        final long lastUpdate = System.currentTimeMillis() - info.lastUpdate.longValue();
+        if (lastUpdate < DELAY_NOTIFICATION_MS) {
+            Log.d(TAG, "Delaying final notification for "
+                    + (DELAY_NOTIFICATION_MS - lastUpdate) + " ms ");
+            mMainThreadHandler.postDelayed(() -> {
+                sendBugreportNotification(info, takingScreenshot);
+            }, DELAY_NOTIFICATION_MS - lastUpdate);
+            return;
+        }
+
         // Since adding the details can take a while, do it before notifying user.
         addDetailsToZipFile(info);
 
@@ -1388,6 +1402,7 @@
         final Notification.Builder builder = newBaseNotification(mContext)
                 .setContentTitle(title)
                 .setTicker(title)
+                .setProgress(100 /* max value of progress percentage */, 100, false)
                 .setOnlyAlertOnce(false)
                 .setContentText(content);
 
@@ -2426,7 +2441,6 @@
             }
         }
         info.progress.set(progress);
-        info.lastUpdate.set(System.currentTimeMillis());
 
         updateProgress(info);
     }
diff --git a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
index 050a370..7bda2ea 100644
--- a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
+++ b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
@@ -193,7 +193,7 @@
         mService.mScreenshotDelaySec = SCREENSHOT_DELAY_SECONDS;
         // Dup the fds which are passing to startBugreport function.
         Mockito.doAnswer(invocation -> {
-            final boolean isScreenshotRequested = invocation.getArgument(6);
+            final boolean isScreenshotRequested = invocation.getArgument(7);
             if (isScreenshotRequested) {
                 mScreenshotFd = ParcelFileDescriptor.dup(invocation.getArgument(3));
             }
@@ -250,7 +250,22 @@
         mIDumpstateListener.onProgress(300);
         assertProgressNotification(mProgressTitle, 99);
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId);
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId, 1);
+        assertActionSendMultiple(extras);
+
+        assertServiceNotRunning();
+    }
+
+    @Test
+    public void testStressProgress() throws Exception {
+        sendBugreportStarted();
+        waitForScreenshotButtonEnabled(true);
+
+        for (int i = 0; i <= 1000; i++) {
+            mIDumpstateListener.onProgress(i);
+        }
+        sendBugreportFinished();
+        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId, 1);
         assertActionSendMultiple(extras);
 
         assertServiceNotRunning();
@@ -277,7 +292,7 @@
         assertScreenshotButtonEnabled(false);
         waitForScreenshotButtonEnabled(true);
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId);
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId, 2);
         assertActionSendMultiple(extras, NO_NAME, NO_TITLE, NO_DESCRIPTION, 1);
 
         assertServiceNotRunning();
@@ -294,7 +309,7 @@
         // There's no indication in the UI about the screenshot finish, so just sleep like a baby...
         sleep(SAFE_SCREENSHOT_DELAY * DateUtils.SECOND_IN_MILLIS);
 
-        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId);
+        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId, 2);
         assertActionSendMultiple(extras, NO_NAME, NO_TITLE, NO_DESCRIPTION, 1);
 
         assertServiceNotRunning();
@@ -328,7 +343,7 @@
 
         assertProgressNotification(NEW_NAME, 00.00f);
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(TITLE);
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(TITLE, 1);
         assertActionSendMultiple(extras, NEW_NAME, TITLE, mDescription, 0);
 
         assertServiceNotRunning();
@@ -363,7 +378,7 @@
 
         assertProgressNotification(NEW_NAME, 00.00f);
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(TITLE);
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(TITLE, 1);
         assertActionSendMultiple(extras, NEW_NAME, TITLE, mDescription, 0);
 
         assertServiceNotRunning();
@@ -390,7 +405,7 @@
         detailsUi.descField.setText(mDescription);
         detailsUi.clickOk();
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId);
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(mBugreportId, 1);
         assertActionSendMultiple(extras, NO_NAME, NO_TITLE, mDescription, 0);
 
         assertServiceNotRunning();
@@ -441,7 +456,7 @@
         detailsUi.clickOk();
 
         // Finally, share bugreport.
-        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId);
+        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId, 1);
         assertActionSendMultiple(extras, NO_NAME, TITLE, mDescription, 0);
 
         assertServiceNotRunning();
@@ -504,7 +519,7 @@
         mUiBot.click(ok, "ok");
 
         // Share the bugreport.
-        mUiBot.chooseActivity(UI_NAME);
+        mUiBot.chooseActivity(UI_NAME, mContext, 1);
         Bundle extras = mListener.getExtras();
         assertActionSendMultiple(extras);
 
@@ -531,7 +546,7 @@
         sendBugreportFinished();
         killService();
         assertServiceNotRunning();
-        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId);
+        Bundle extras = acceptBugreportAndGetSharedIntent(mBugreportId, 1);
         assertActionSendMultiple(extras);
     }
 
@@ -618,45 +633,49 @@
      * Sends a "bugreport finished" event and waits for the result.
      *
      * @param id The bugreport id for finished notification string title substitution.
+     * @param count Number of files to be shared
      * @return extras sent in the shared intent.
      */
-    private Bundle sendBugreportFinishedAndGetSharedIntent(int id) throws Exception {
+    private Bundle sendBugreportFinishedAndGetSharedIntent(int id, int count) throws Exception {
         sendBugreportFinished();
-        return acceptBugreportAndGetSharedIntent(id);
+        return acceptBugreportAndGetSharedIntent(id, count);
     }
 
     /**
      * Sends a "bugreport finished" event and waits for the result.
      *
      * @param notificationTitle The title of finished notification.
+     * @param count Number of files to be shared
      * @return extras sent in the shared intent.
      */
-    private Bundle sendBugreportFinishedAndGetSharedIntent(String notificationTitle)
+    private Bundle sendBugreportFinishedAndGetSharedIntent(String notificationTitle, int count)
             throws Exception {
         sendBugreportFinished();
-        return acceptBugreportAndGetSharedIntent(notificationTitle);
+        return acceptBugreportAndGetSharedIntent(notificationTitle, count);
     }
 
     /**
      * Accepts the notification to share the finished bugreport and waits for the result.
      *
      * @param id The bugreport id for finished notification string title substitution.
+     * @param count Number of files to be shared
      * @return extras sent in the shared intent.
      */
-    private Bundle acceptBugreportAndGetSharedIntent(int id) {
+    private Bundle acceptBugreportAndGetSharedIntent(int id, int count) {
         final String notificationTitle = mContext.getString(R.string.bugreport_finished_title, id);
-        return acceptBugreportAndGetSharedIntent(notificationTitle);
+        return acceptBugreportAndGetSharedIntent(notificationTitle, count);
     }
 
     /**
      * Accepts the notification to share the finished bugreport and waits for the result.
      *
      * @param notificationTitle The title of finished notification.
+     * @param count Number of files to be shared
      * @return extras sent in the shared intent.
      */
-    private Bundle acceptBugreportAndGetSharedIntent(String notificationTitle) {
+    private Bundle acceptBugreportAndGetSharedIntent(String notificationTitle, int count) {
         mUiBot.clickOnNotification(notificationTitle);
-        mUiBot.chooseActivity(UI_NAME);
+        mUiBot.chooseActivity(UI_NAME, mContext, count);
         return mListener.getExtras();
     }
 
diff --git a/packages/Shell/tests/src/com/android/shell/UiBot.java b/packages/Shell/tests/src/com/android/shell/UiBot.java
index ce9f70d..60008a3 100644
--- a/packages/Shell/tests/src/com/android/shell/UiBot.java
+++ b/packages/Shell/tests/src/com/android/shell/UiBot.java
@@ -18,9 +18,12 @@
 
 import android.app.Instrumentation;
 import android.app.StatusBarManager;
+import android.content.Context;
+import android.content.res.Resources;
 import android.os.SystemClock;
 import android.text.format.DateUtils;
 import android.util.Log;
+import android.util.PluralsMessageFormatter;
 
 import androidx.test.uiautomator.By;
 import androidx.test.uiautomator.UiDevice;
@@ -34,7 +37,9 @@
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertTrue;
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * A helper class for UI-related testing tasks.
@@ -206,11 +211,26 @@
      *
      * @param name name of the activity as displayed in the UI (typically the value set by
      *            {@code android:label} in the manifest).
+     * @param context Context of the target application
+     * @param count Number of files to be shared
      */
-    public void chooseActivity(String name) {
+    public void chooseActivity(String name, Context context, int count) {
         // It uses an intent chooser now, so just getting the activity by text is enough...
-        final String share = mInstrumentation.getContext().getString(
-                com.android.internal.R.string.share);
+        Resources res = null;
+        try {
+            res = context.getPackageManager()
+                    .getResourcesForApplication("com.android.intentresolver");
+        } catch (Exception e)  {
+            assertNotNull("could not get resources for com.android.intentresolver", res);
+        }
+        /* Resource read is defined as a string which contains a plural
+         * which needs some formatting */
+        Map<String, Object> arguments = new HashMap<>();
+        arguments.put("count", count);
+        final String share = PluralsMessageFormatter.format(
+                res,
+                arguments,
+                res.getIdentifier("sharing_files", "string", "com.android.intentresolver"));
         boolean gotIt = mDevice.wait(Until.hasObject(By.text(share)), mTimeout);
         assertTrue("could not get share activity (" + share + ")", gotIt);
         swipeUp();
diff --git a/packages/SystemUI/res-product/values/strings.xml b/packages/SystemUI/res-product/values/strings.xml
index 42733a2..0c29bb4 100644
--- a/packages/SystemUI/res-product/values/strings.xml
+++ b/packages/SystemUI/res-product/values/strings.xml
@@ -179,6 +179,8 @@
     <!-- Text informing the user that their media is now playing on this tablet device. [CHAR LIMIT=50] -->
     <string name="media_transfer_playing_this_device" product="tablet">Playing on this tablet</string>
 
-
+    <!-- Message shown during shutdown when Find My Device with Dead Battery Finder is active  [CHAR LIMIT=300] -->
+    <string name="finder_active" product="default">You can locate this phone with Find My Device even when powered off</string>
+    <string name="finder_active" product="tablet">You can locate this tablet with Find My Device even when powered off</string>
 
 </resources>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index d51831b..261ffa0 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -2382,8 +2382,6 @@
     <!-- Tuner string -->
     <!-- Tuner string -->
 
-    <!-- Message shown during shutdown when Find My Device with Dead Battery Finder is active  [CHAR LIMIT=300] -->
-    <string name="finder_active">You can locate this phone with Find My Device even when powered off</string>
     <!-- Shutdown Progress Dialog. This is shown if the user chooses to power off the phone. [CHAR LIMIT=60] -->
     <string name="shutdown_progress">Shutting down\u2026</string>
 
diff --git a/packages/Vcn/flags/Android.bp b/packages/Vcn/flags/Android.bp
index 3943c6f..8d09fdb 100644
--- a/packages/Vcn/flags/Android.bp
+++ b/packages/Vcn/flags/Android.bp
@@ -29,10 +29,24 @@
     ],
 }
 
+// TODO: b/374174952 Remove this library when VCN modularization is done
 java_aconfig_library {
     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"],
+    apex_available: [
+        "//apex_available:platform",
+    ],
+}
+
+java_aconfig_library {
+    name: "android.net.vcn.flags-aconfig-java",
+    aconfig_declarations: "android.net.vcn.flags-aconfig",
+    min_sdk_version: "35",
+    defaults: ["framework-minus-apex-aconfig-java-defaults"],
+    apex_available: [
+        "com.android.tethering",
+    ],
 }
diff --git a/packages/Vcn/framework-b/Android.bp b/packages/Vcn/framework-b/Android.bp
index c312116..edb22c0 100644
--- a/packages/Vcn/framework-b/Android.bp
+++ b/packages/Vcn/framework-b/Android.bp
@@ -32,9 +32,9 @@
 }
 
 java_defaults {
-    name: "framework-connectivity-b-defaults",
+    name: "framework-connectivity-b-defaults-base",
     sdk_version: "module_current",
-    min_sdk_version: "35", // TODO: Make it Android 25Q2 when this is included in mainline
+
     defaults: ["framework-module-defaults"], // This is a boot jar
 
     srcs: [
@@ -44,14 +44,10 @@
 
     libs: [
         "android.net.ipsec.ike.stubs.module_lib",
-        "app-compat-annotations",
         "framework-wifi.stubs.module_lib",
         "unsupportedappusage",
     ],
-    static_libs: [
-        //TODO:375213246 Use a non-exported flag lib when VCN is in mainline
-        "android.net.vcn.flags-aconfig-java-export",
-    ],
+
     aidl: {
         include_dirs: [
             // For connectivity-framework classes such as Network.aidl, NetworkCapabilities.aidl
@@ -60,16 +56,83 @@
     },
 }
 
+soong_config_module_type {
+    name: "framework_connectivity_b_defaults_soong_config",
+    module_type: "java_defaults",
+    config_namespace: "ANDROID",
+    bool_variables: [
+        "is_vcn_in_mainline",
+    ],
+    properties: [
+        "min_sdk_version",
+        "static_libs",
+        "apex_available",
+    ],
+}
+
+framework_connectivity_b_defaults_soong_config {
+    name: "framework-connectivity-b-defaults",
+    defaults: [
+        "framework-connectivity-b-defaults-base",
+    ],
+    soong_config_variables: {
+        is_vcn_in_mainline: {
+            //TODO: b/380155299 Make it Baklava when aidl tool can understand it
+            min_sdk_version: "current",
+            static_libs: ["android.net.vcn.flags-aconfig-java"],
+            apex_available: ["com.android.tethering"],
+
+            conditions_default: {
+                min_sdk_version: "35",
+                static_libs: ["android.net.vcn.flags-aconfig-java-export"],
+                apex_available: ["//apex_available:platform"],
+            },
+        },
+    },
+}
+
+soong_config_module_type {
+    name: "framework_connectivity_b_java_sdk_library_defaults_soong_config",
+    module_type: "java_defaults",
+    config_namespace: "ANDROID",
+    bool_variables: [
+        "is_vcn_in_mainline",
+    ],
+    properties: [
+        "aconfig_declarations",
+        "jarjar_rules",
+    ],
+}
+
+framework_connectivity_b_java_sdk_library_defaults_soong_config {
+    name: "framework-connectivity-b-java-sdk-library-defaults",
+    soong_config_variables: {
+        is_vcn_in_mainline: {
+            aconfig_declarations: ["android.net.vcn.flags-aconfig-java"],
+
+            // TODO: b/375213246 Use the connectivity jarjar rule generator to create the
+            // jarjar rules. In the end state, use "framework-connectivity-jarjar-rules"
+            // after VCN code is moved to the Connectivity folder
+            jarjar_rules: "framework-vcn-jarjar-rules.txt",
+
+            conditions_default: {
+                aconfig_declarations: ["android.net.vcn.flags-aconfig-java-export"],
+
+                // Use "android.net.connectivity" as prefix would trigger
+                // "Hidden API flags are inconsistent" build error
+                jarjar_rules: "framework-vcn-jarjar-rules-platform.txt",
+            },
+        },
+    },
+}
+
 java_sdk_library {
     name: "framework-connectivity-b",
     defaults: [
         "framework-connectivity-b-defaults",
+        "framework-connectivity-b-java-sdk-library-defaults",
     ],
 
-    //TODO: b/375213246 Use "framework-connectivity-jarjar-rules" when VCN is
-    // in mainline
-    jarjar_rules: "framework-vcn-jarjar-rules.txt",
-
     permitted_packages: [
         "android.net",
         "android.net.vcn",
@@ -92,11 +155,6 @@
         "framework-connectivity-pre-jarjar",
     ],
 
-    aconfig_declarations: [
-        //TODO:375213246 Use a non-exported flag lib when VCN is in mainline
-        "android.net.vcn.flags-aconfig-java-export",
-    ],
-
     impl_library_visibility: [
         // Using for test only
         "//cts/tests/netlegacy22.api",
@@ -120,17 +178,13 @@
         "//packages/modules/Wifi/service/tests/wifitests",
     ],
 
-    apex_available: [
-        // TODO: b/374174952 Remove it when VCN modularization is released
-        "//apex_available:platform",
-
-        "com.android.tethering",
-    ],
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
 }
 
 java_library {
     name: "framework-connectivity-b-pre-jarjar",
     defaults: ["framework-connectivity-b-defaults"],
+    installable: false,
     libs: [
         "framework-connectivity-pre-jarjar",
     ],
diff --git a/packages/Vcn/framework-b/framework-vcn-jarjar-rules-platform.txt b/packages/Vcn/framework-b/framework-vcn-jarjar-rules-platform.txt
new file mode 100644
index 0000000..757043b
--- /dev/null
+++ b/packages/Vcn/framework-b/framework-vcn-jarjar-rules-platform.txt
@@ -0,0 +1,2 @@
+rule android.net.vcn.persistablebundleutils.** android.net.vcn.module.repackaged.persistablebundleutils.@1
+rule android.net.vcn.util.** android.net.vcn.module.repackaged.util.@1
\ No newline at end of file
diff --git a/packages/Vcn/framework-b/framework-vcn-jarjar-rules.txt b/packages/Vcn/framework-b/framework-vcn-jarjar-rules.txt
index 757043b..7e27b24 100644
--- a/packages/Vcn/framework-b/framework-vcn-jarjar-rules.txt
+++ b/packages/Vcn/framework-b/framework-vcn-jarjar-rules.txt
@@ -1,2 +1,2 @@
-rule android.net.vcn.persistablebundleutils.** android.net.vcn.module.repackaged.persistablebundleutils.@1
-rule android.net.vcn.util.** android.net.vcn.module.repackaged.util.@1
\ No newline at end of file
+rule android.net.vcn.persistablebundleutils.** android.net.connectivity.android.net.vcn.persistablebundleutils.@1
+rule android.net.vcn.util.** android.net.connectivity.android.net.vcn.util.@1
\ No newline at end of file
diff --git a/packages/Vcn/framework-b/src/android/net/ConnectivityFrameworkInitializerBaklava.java b/packages/Vcn/framework-b/src/android/net/ConnectivityFrameworkInitializerBaklava.java
index 1f0fa92..de22ca6 100644
--- a/packages/Vcn/framework-b/src/android/net/ConnectivityFrameworkInitializerBaklava.java
+++ b/packages/Vcn/framework-b/src/android/net/ConnectivityFrameworkInitializerBaklava.java
@@ -23,8 +23,6 @@
 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;
@@ -40,17 +38,15 @@
 @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
-     * that depend on them. If the feature is missing, {@link Context#getSystemService} will return
-     * null.
-     *
-     * <p>This change is specific to VcnManager.
-     */
-    @ChangeId
-    @EnabledSince(targetSdkVersion = Build.VERSION_CODES.VANILLA_ICE_CREAM)
-    private static final long ENABLE_CHECKING_TELEPHONY_FEATURES_FOR_VCN = 330902016;
+
+    // This is a copy of TelephonyFrameworkInitializer.ENABLE_CHECKING_TELEPHONY_FEATURES. This
+    // ChangeId will replace ENABLE_CHECKING_TELEPHONY_FEATURES_FOR_VCN to gate VcnManager
+    // feature flag enforcement.
+    // This replacement is safe because both ChangeIds have been enabled since Android V and serve
+    // the same purpose: enforcing telephony feature flag checks before using telephony-based
+    // features. This also simplifies VCN modularization by avoiding the need to handle different
+    // states, such as: SDK < B vs. SDK >= B; VCN in platform vs. VCN in the apex.
+    private static final long ENABLE_CHECKING_TELEPHONY_FEATURES = 330583731;
 
     /**
      * The corresponding vendor API for Android V
@@ -71,7 +67,7 @@
     private static String getVcnFeatureDependency() {
         // Check SDK version of the client app. Apps targeting pre-V SDK might
         // have not checked for existence of these features.
-        if (!Compatibility.isChangeEnabled(ENABLE_CHECKING_TELEPHONY_FEATURES_FOR_VCN)) {
+        if (!Compatibility.isChangeEnabled(ENABLE_CHECKING_TELEPHONY_FEATURES)) {
             return null;
         }
 
diff --git a/packages/Vcn/service-b/Android.bp b/packages/Vcn/service-b/Android.bp
index c1a1ee7..1370b06 100644
--- a/packages/Vcn/service-b/Android.bp
+++ b/packages/Vcn/service-b/Android.bp
@@ -32,11 +32,9 @@
     visibility: ["//frameworks/base/services/core"],
 }
 
-// Do not static include this lib in VCN because these files exist in
-// both service-connectivity.jar and framework.jar
-// TODO: b/374174952 After VCN moves to Connectivity/ and the modularization is done
-// this lib can be removed and "service-connectivity-b-pre-jarjar" can include
-// "service-connectivity-pre-jarjar"
+// TODO: b/374174952 This library is only used in "service-connectivity-b-platform"
+// After VCN moves to Connectivity/ and the modularization is done, this lib and
+// "service-connectivity-b-platform" can both be removed
 java_library {
     name: "connectivity-utils-service-vcn-internal",
     sdk_version: "module_current",
@@ -48,30 +46,30 @@
         "framework-annotations-lib",
         "unsupportedappusage",
     ],
-    visibility: [
-        "//visibility:private",
-    ],
-    apex_available: [
-        // TODO: b/374174952 Remove it when VCN modularization is released
-        "//apex_available:platform",
+    visibility: ["//visibility:private"],
+}
 
-        "com.android.tethering",
+filegroup {
+    name: "service-vcn-sources",
+    srcs: ["src/**/*.java"],
+    path: "src",
+    visibility: [
+        "//packages/modules/Connectivity/service-b",
     ],
 }
 
-java_library {
-    name: "service-connectivity-b-pre-jarjar",
-    sdk_version: "system_server_current",
-    min_sdk_version: "35", // TODO: Make it Android 25Q2 when this is included in mainline
+// This java_defaults will be used for "service-connectivity-b-platform" and
+// "service-connectivity-b-pre-jarjar"
+java_defaults {
+    name: "service-connectivity-b-pre-jarjar-defaults",
     defaults: ["framework-system-server-module-defaults"], // This is a system server jar
 
     srcs: [
-        "src/**/*.java",
+        ":service-vcn-sources",
     ],
 
     libs: [
         "android.net.ipsec.ike.stubs.module_lib",
-        "connectivity-utils-service-vcn-internal",
         "framework-annotations-lib",
         "framework-connectivity-pre-jarjar",
         "framework-connectivity-t-pre-jarjar",
@@ -89,13 +87,30 @@
         "modules-utils-handlerexecutor",
     ],
 
+    defaults_visibility: [
+        "//packages/modules/Connectivity/service-b",
+    ],
+}
+
+// This library is only used to be included into services.jar when the build system
+// flag RELEASE_MOVE_VCN_TO_MAINLINE is disabled. When the flag is enabled, a module
+// version of this library will be included in Tethering module
+java_library {
+    name: "service-connectivity-b-platform",
+    defaults: ["service-connectivity-b-pre-jarjar-defaults"],
+    static_libs: ["connectivity-utils-service-vcn-internal"],
+
+    sdk_version: "system_server_current",
+    min_sdk_version: "35",
+
+    // TODO (b/374174952 ): This file is for jarjaring files in
+    // "connectivity-utils-service-vcn-internal".
+    jarjar_rules: "service-vcn-platform-jarjar-rules.txt",
+
     visibility: [
         "//frameworks/base/services",
     ],
     apex_available: [
-        // TODO: b/374174952 Remove it when VCN modularization is released
         "//apex_available:platform",
-
-        "com.android.tethering",
     ],
 }
diff --git a/packages/Vcn/service-b/service-vcn-platform-jarjar-rules.txt b/packages/Vcn/service-b/service-vcn-platform-jarjar-rules.txt
new file mode 100644
index 0000000..3630727
--- /dev/null
+++ b/packages/Vcn/service-b/service-vcn-platform-jarjar-rules.txt
@@ -0,0 +1,5 @@
+rule android.util.IndentingPrintWriter android.net.vcn.module.repackaged.android.util.IndentingPrintWriter
+rule android.util.LocalLog android.net.vcn.module.repackaged.android.util.LocalLog
+rule com.android.internal.util.IndentingPrintWriter android.net.vcn.module.repackaged.com.android.internal.util.IndentingPrintWriter
+rule com.android.internal.util.MessageUtils android.net.vcn.module.repackaged.com.android.internal.util.MessageUtils
+rule com.android.internal.util.WakeupMessage android.net.vcn.module.repackaged.com.android.internal.util.WakeupMessage
\ No newline at end of file
diff --git a/packages/Vcn/service-b/src/com/android/server/ConnectivityServiceInitializerB.java b/packages/Vcn/service-b/src/com/android/server/ConnectivityServiceInitializerB.java
index 02c8ce4..81c7edf 100644
--- a/packages/Vcn/service-b/src/com/android/server/ConnectivityServiceInitializerB.java
+++ b/packages/Vcn/service-b/src/com/android/server/ConnectivityServiceInitializerB.java
@@ -16,7 +16,9 @@
 
 package com.android.server;
 
+import android.annotation.TargetApi;
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 
 import com.android.tools.r8.keepanno.annotations.KeepItemKind;
@@ -30,6 +32,8 @@
 // Without this annotation, this class will be treated as unused class and be removed during build
 // time.
 @UsedByReflection(kind = KeepItemKind.CLASS_AND_METHODS)
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public final class ConnectivityServiceInitializerB extends SystemService {
     private static final String TAG = ConnectivityServiceInitializerB.class.getSimpleName();
     private final VcnManagementService mVcnManagementService;
diff --git a/packages/Vcn/service-b/src/com/android/server/VcnManagementService.java b/packages/Vcn/service-b/src/com/android/server/VcnManagementService.java
index 26db6a9..c9a99d7 100644
--- a/packages/Vcn/service-b/src/com/android/server/VcnManagementService.java
+++ b/packages/Vcn/service-b/src/com/android/server/VcnManagementService.java
@@ -37,6 +37,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
 import android.app.AppOpsManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -164,6 +165,8 @@
  * @hide
  */
 // TODO(b/180451994): ensure all incoming + outgoing calls have a cleared calling identity
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class VcnManagementService extends IVcnManagementService.Stub {
     @NonNull private static final String TAG = VcnManagementService.class.getSimpleName();
     @NonNull private static final String CONTEXT_ATTRIBUTION_TAG = "VCN";
@@ -297,8 +300,10 @@
         });
     }
 
-    // Package-visibility for SystemServer to create instances.
-    static VcnManagementService create(@NonNull Context context) {
+    /** Called by ConnectivityServiceInitializerB to create instances. */
+    // VcnManagementService will be jarjared but ConnectivityServiceInitializerB will not. Thus this
+    // method needs to be public for ConnectivityServiceInitializerB to access
+    public static VcnManagementService create(@NonNull Context context) {
         return new VcnManagementService(context, new Dependencies());
     }
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/TelephonySubscriptionTracker.java b/packages/Vcn/service-b/src/com/android/server/vcn/TelephonySubscriptionTracker.java
index b448f75..b04e25d 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/TelephonySubscriptionTracker.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/TelephonySubscriptionTracker.java
@@ -22,12 +22,14 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.vcn.VcnManager;
 import android.net.vcn.util.PersistableBundleUtils.PersistableBundleWrapper;
+import android.os.Build;
 import android.os.Handler;
 import android.os.ParcelUuid;
 import android.os.PersistableBundle;
@@ -77,6 +79,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class TelephonySubscriptionTracker extends BroadcastReceiver {
     @NonNull private static final String TAG = TelephonySubscriptionTracker.class.getSimpleName();
     private static final boolean LOG_DBG = false; // STOPSHIP if true
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/Vcn.java b/packages/Vcn/service-b/src/com/android/server/vcn/Vcn.java
index 2524d0e..369ef6a 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/Vcn.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/Vcn.java
@@ -29,6 +29,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.content.ContentResolver;
 import android.database.ContentObserver;
 import android.net.NetworkCapabilities;
@@ -39,6 +40,7 @@
 import android.net.vcn.VcnGatewayConnectionConfig;
 import android.net.vcn.VcnManager.VcnErrorCode;
 import android.net.vcn.util.LogUtils;
+import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
 import android.os.ParcelUuid;
@@ -75,6 +77,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class Vcn extends Handler {
     private static final String TAG = Vcn.class.getSimpleName();
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/VcnGatewayConnection.java b/packages/Vcn/service-b/src/com/android/server/vcn/VcnGatewayConnection.java
index e50fc3a..300b80f 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/VcnGatewayConnection.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/VcnGatewayConnection.java
@@ -37,6 +37,8 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.net.ConnectivityDiagnosticsManager;
 import android.net.ConnectivityDiagnosticsManager.ConnectivityDiagnosticsCallback;
@@ -82,6 +84,7 @@
 import android.net.vcn.util.MtuUtils;
 import android.net.vcn.util.OneWayBoolean;
 import android.net.wifi.WifiInfo;
+import android.os.Build;
 import android.os.Handler;
 import android.os.Message;
 import android.os.ParcelUuid;
@@ -171,6 +174,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class VcnGatewayConnection extends StateMachine {
     private static final String TAG = VcnGatewayConnection.class.getSimpleName();
 
@@ -2942,6 +2947,10 @@
          *
          * <p>Synchronize this action to minimize locking around WakeLock use.
          */
+        // WakelockTimeout suppressed because the time the wake lock is needed for is unknown. The
+        // wakelock is only acquired when a Message is sent to this state machine and will be
+        // released when the message is processed or the state machin quits
+        @SuppressLint("WakelockTimeout")
         public synchronized void acquire() {
             mImpl.acquire();
         }
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/VcnNetworkProvider.java b/packages/Vcn/service-b/src/com/android/server/vcn/VcnNetworkProvider.java
index 4552f50..99c848f 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/VcnNetworkProvider.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/VcnNetworkProvider.java
@@ -25,6 +25,7 @@
 import static com.android.server.VcnManagementService.VDBG;
 
 import android.annotation.NonNull;
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.net.ConnectivityManager;
 import android.net.NetworkCapabilities;
@@ -32,6 +33,7 @@
 import android.net.NetworkRequest;
 import android.net.NetworkScore;
 import android.net.vcn.VcnGatewayConnectionConfig;
+import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.util.ArraySet;
@@ -54,6 +56,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class VcnNetworkProvider extends NetworkProvider {
     private static final String TAG = VcnNetworkProvider.class.getSimpleName();
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/IpSecPacketLossDetector.java b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/IpSecPacketLossDetector.java
index 72de613..6467af4 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/IpSecPacketLossDetector.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/IpSecPacketLossDetector.java
@@ -23,6 +23,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -31,6 +32,7 @@
 import android.net.IpSecTransformState;
 import android.net.Network;
 import android.net.vcn.VcnManager;
+import android.os.Build;
 import android.os.Handler;
 import android.os.OutcomeReceiver;
 import android.os.PowerManager;
@@ -59,6 +61,8 @@
  *
  * <p>This class is flag gated by "network_metric_monitor" and "ipsec_tramsform_state"
  */
+// TODO(b/374174952) Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class IpSecPacketLossDetector extends NetworkMetricMonitor {
     private static final String TAG = IpSecPacketLossDetector.class.getSimpleName();
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkMetricMonitor.java b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkMetricMonitor.java
index 86cee55..1485344 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkMetricMonitor.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkMetricMonitor.java
@@ -22,9 +22,11 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.net.IpSecTransform;
 import android.net.IpSecTransformState;
 import android.net.Network;
+import android.os.Build;
 import android.os.OutcomeReceiver;
 import android.util.CloseGuard;
 import android.util.Slog;
@@ -42,6 +44,8 @@
  *
  * <p>This class is flag gated by "network_metric_monitor"
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public abstract class NetworkMetricMonitor implements AutoCloseable {
     private static final String TAG = NetworkMetricMonitor.class.getSimpleName();
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkPriorityClassifier.java b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkPriorityClassifier.java
index 79c4116..705141f 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkPriorityClassifier.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/NetworkPriorityClassifier.java
@@ -29,12 +29,14 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.net.NetworkCapabilities;
 import android.net.TelephonyNetworkSpecifier;
 import android.net.vcn.VcnCellUnderlyingNetworkTemplate;
 import android.net.vcn.VcnManager;
 import android.net.vcn.VcnUnderlyingNetworkTemplate;
 import android.net.vcn.VcnWifiUnderlyingNetworkTemplate;
+import android.os.Build;
 import android.os.ParcelUuid;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
@@ -50,6 +52,8 @@
 import java.util.Set;
 
 /** @hide */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 class NetworkPriorityClassifier {
     @NonNull private static final String TAG = NetworkPriorityClassifier.class.getSimpleName();
     /**
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkController.java b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkController.java
index 29a0762..bc552e7 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkController.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkController.java
@@ -28,6 +28,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.net.ConnectivityManager;
 import android.net.ConnectivityManager.NetworkCallback;
 import android.net.IpSecTransform;
@@ -40,6 +41,7 @@
 import android.net.vcn.VcnGatewayConnectionConfig;
 import android.net.vcn.VcnUnderlyingNetworkTemplate;
 import android.net.vcn.util.LogUtils;
+import android.os.Build;
 import android.os.Handler;
 import android.os.ParcelUuid;
 import android.telephony.TelephonyCallback;
@@ -73,6 +75,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class UnderlyingNetworkController {
     @NonNull private static final String TAG = UnderlyingNetworkController.class.getSimpleName();
 
diff --git a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkEvaluator.java b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkEvaluator.java
index 30f4ed1..776931b 100644
--- a/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkEvaluator.java
+++ b/packages/Vcn/service-b/src/com/android/server/vcn/routeselection/UnderlyingNetworkEvaluator.java
@@ -22,12 +22,14 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.net.IpSecTransform;
 import android.net.LinkProperties;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.vcn.VcnManager;
 import android.net.vcn.VcnUnderlyingNetworkTemplate;
+import android.os.Build;
 import android.os.Handler;
 import android.os.ParcelUuid;
 import android.util.IndentingPrintWriter;
@@ -50,6 +52,8 @@
  *
  * @hide
  */
+// TODO(b/374174952): Replace VANILLA_ICE_CREAM with BAKLAVA after Android B finalization
+@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
 public class UnderlyingNetworkEvaluator {
     private static final String TAG = UnderlyingNetworkEvaluator.class.getSimpleName();
 
diff --git a/services/Android.bp b/services/Android.bp
index d99ed3d..ebd10cc 100644
--- a/services/Android.bp
+++ b/services/Android.bp
@@ -242,9 +242,11 @@
         "services.wifi",
         "service-blobstore",
         "service-jobscheduler",
-        "service-connectivity-b-pre-jarjar", // Move it to mainline module
         "android.hidl.base-V1.0-java",
-    ],
+    ] + select(release_flag("RELEASE_MOVE_VCN_TO_MAINLINE"), {
+        true: [],
+        default: ["service-connectivity-b-platform"],
+    }),
 
     libs: [
         "android.hidl.manager-V1.0-java",
diff --git a/services/art-wear-profile b/services/art-wear-profile
index 47bdb13..42c4a01 100644
--- a/services/art-wear-profile
+++ b/services/art-wear-profile
@@ -7419,7 +7419,7 @@
 PLcom/android/server/app/GameManagerService;->updateConfigsForUser(IZ[Ljava/lang/String;)V
 PLcom/android/server/app/GameManagerService;->writeGameModeInterventionsToFile(I)V
 PLcom/android/server/app/GameManagerSettings;-><init>(Ljava/io/File;)V
-HPLcom/android/server/app/GameManagerSettings;->getConfigOverride(Ljava/lang/String;)Lcom/android/server/app/GameManagerService$GamePackageConfiguration;
+HPLcom/android/server/app/GameManagerSettings;->getConfigOverrideLocked(Ljava/lang/String;)Lcom/android/server/app/GameManagerService$GamePackageConfiguration;
 HPLcom/android/server/app/GameManagerSettings;->getGameModeLocked(Ljava/lang/String;)I
 PLcom/android/server/app/GameManagerSettings;->readPersistentDataLocked()Z
 PLcom/android/server/appbinding/AppBindingConstants;-><init>(Ljava/lang/String;)V
diff --git a/services/core/Android.bp b/services/core/Android.bp
index 349f3ee..9a55603 100644
--- a/services/core/Android.bp
+++ b/services/core/Android.bp
@@ -147,6 +147,9 @@
 
         // Java/AIDL sources to be moved out to CrashRecovery module
         ":services-crashrecovery-sources",
+
+        // Indicate whether VCN is in platform or mainline
+        ":vcn-location-sources",
     ],
 
     libs: [
diff --git a/services/core/java/com/android/server/app/GameManagerService.java b/services/core/java/com/android/server/app/GameManagerService.java
index 5f637a3..58ef814 100644
--- a/services/core/java/com/android/server/app/GameManagerService.java
+++ b/services/core/java/com/android/server/app/GameManagerService.java
@@ -1422,10 +1422,10 @@
             }
             final GameManagerSettings settings = mSettings.get(userId);
             // look for the existing GamePackageConfiguration override
-            configOverride = settings.getConfigOverride(packageName);
+            configOverride = settings.getConfigOverrideLocked(packageName);
             if (configOverride == null) {
                 configOverride = new GamePackageConfiguration(packageName);
-                settings.setConfigOverride(packageName, configOverride);
+                settings.setConfigOverrideLocked(packageName, configOverride);
             }
         }
         GamePackageConfiguration.GameModeConfiguration internalConfig =
@@ -1758,10 +1758,10 @@
             }
             final GameManagerSettings settings = mSettings.get(userId);
             // look for the existing GamePackageConfiguration override
-            configOverride = settings.getConfigOverride(packageName);
+            configOverride = settings.getConfigOverrideLocked(packageName);
             if (configOverride == null) {
                 configOverride = new GamePackageConfiguration(packageName);
-                settings.setConfigOverride(packageName, configOverride);
+                settings.setConfigOverrideLocked(packageName, configOverride);
             }
         }
         // modify GameModeConfiguration intervention settings
@@ -1800,7 +1800,7 @@
             }
             final GameManagerSettings settings = mSettings.get(userId);
             if (gameModeToReset != -1) {
-                final GamePackageConfiguration configOverride = settings.getConfigOverride(
+                final GamePackageConfiguration configOverride = settings.getConfigOverrideLocked(
                         packageName);
                 if (configOverride == null) {
                     return;
@@ -1811,10 +1811,10 @@
                 }
                 configOverride.removeModeConfig(gameModeToReset);
                 if (!configOverride.hasActiveGameModeConfig()) {
-                    settings.removeConfigOverride(packageName);
+                    settings.removeConfigOverrideLocked(packageName);
                 }
             } else {
-                settings.removeConfigOverride(packageName);
+                settings.removeConfigOverrideLocked(packageName);
             }
         }
 
@@ -2029,7 +2029,7 @@
 
         synchronized (mLock) {
             if (mSettings.containsKey(userId)) {
-                overrideConfig = mSettings.get(userId).getConfigOverride(packageName);
+                overrideConfig = mSettings.get(userId).getConfigOverrideLocked(packageName);
             }
         }
         if (overrideConfig == null || config == null) {
@@ -2074,7 +2074,7 @@
                                 }
                                 synchronized (mLock) {
                                     if (mSettings.containsKey(userId)) {
-                                        mSettings.get(userId).removeGame(packageName);
+                                        mSettings.get(userId).removeGameLocked(packageName);
                                     }
                                     sendUserMessage(userId, WRITE_SETTINGS,
                                             Intent.ACTION_PACKAGE_REMOVED, WRITE_DELAY_MILLIS);
diff --git a/services/core/java/com/android/server/app/GameManagerSettings.java b/services/core/java/com/android/server/app/GameManagerSettings.java
index b084cf3..c57a1f7 100644
--- a/services/core/java/com/android/server/app/GameManagerSettings.java
+++ b/services/core/java/com/android/server/app/GameManagerSettings.java
@@ -116,7 +116,7 @@
      * Removes all game settings of a given package.
      * This operation must be synced with an external lock.
      */
-    void removeGame(String packageName) {
+    void removeGameLocked(String packageName) {
         mGameModes.remove(packageName);
         mConfigOverrides.remove(packageName);
     }
@@ -125,7 +125,7 @@
      * Returns the game config override of a given package or null if absent.
      * This operation must be synced with an external lock.
      */
-    GamePackageConfiguration getConfigOverride(String packageName) {
+    GamePackageConfiguration getConfigOverrideLocked(String packageName) {
         return mConfigOverrides.get(packageName);
     }
 
@@ -133,7 +133,7 @@
      * Sets the game config override of a given package.
      * This operation must be synced with an external lock.
      */
-    void setConfigOverride(String packageName, GamePackageConfiguration configOverride) {
+    void setConfigOverrideLocked(String packageName, GamePackageConfiguration configOverride) {
         mConfigOverrides.put(packageName, configOverride);
     }
 
@@ -141,7 +141,7 @@
      * Removes the game mode config override of a given package.
      * This operation must be synced with an external lock.
      */
-    void removeConfigOverride(String packageName) {
+    void removeConfigOverrideLocked(String packageName) {
         mConfigOverrides.remove(packageName);
     }
 
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index b22bc2b..0e0b518 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -3019,6 +3019,16 @@
         mDexOptHelper.performPackageDexOptUpgradeIfNeeded();
     }
 
+    public void updateMetricsIfNeeded() {
+        final DisplayManager displayManager = mContext.getSystemService(DisplayManager.class);
+        if (displayManager != null) {
+            final Display display = displayManager.getDisplay(Display.DEFAULT_DISPLAY);
+            if (display != null) {
+                display.getMetrics(mMetrics);
+            }
+        }
+    }
+
     private void notifyPackageUseInternal(String packageName, int reason) {
         long time = System.currentTimeMillis();
         synchronized (mLock) {
diff --git a/services/core/java/com/android/server/policy/AppOpsPolicy.java b/services/core/java/com/android/server/policy/AppOpsPolicy.java
index ecffd38..3f9144f 100644
--- a/services/core/java/com/android/server/policy/AppOpsPolicy.java
+++ b/services/core/java/com/android/server/policy/AppOpsPolicy.java
@@ -136,7 +136,8 @@
 
         final LocationManagerInternal locationManagerInternal = LocalServices.getService(
                 LocationManagerInternal.class);
-        locationManagerInternal.setLocationPackageTagsListener(
+        if (locationManagerInternal != null) {
+            locationManagerInternal.setLocationPackageTagsListener(
                 (uid, packageTagsList) -> {
                     synchronized (mLock) {
                         if (packageTagsList.isEmpty()) {
@@ -158,6 +159,7 @@
                                 mLocationTags);
                     }
                 });
+        }
 
         final IntentFilter intentFilter = new IntentFilter();
         intentFilter.addAction(Intent.ACTION_PACKAGE_ADDED);
diff --git a/services/core/java/com/android/server/wm/ContentRecorder.java b/services/core/java/com/android/server/wm/ContentRecorder.java
index d70a880..e86cb7d 100644
--- a/services/core/java/com/android/server/wm/ContentRecorder.java
+++ b/services/core/java/com/android/server/wm/ContentRecorder.java
@@ -453,15 +453,17 @@
             case RECORD_CONTENT_TASK:
                 // Given the WindowToken of the region to record, retrieve the associated
                 // SurfaceControl.
-                if (tokenToRecord == null) {
+                final WindowContainer wc = tokenToRecord != null
+                        ? WindowContainer.fromBinder(tokenToRecord) : null;
+                if (wc == null) {
                     handleStartRecordingFailed();
                     ProtoLog.v(WM_DEBUG_CONTENT_RECORDING,
-                            "Content Recording: Unable to start recording due to null token for "
-                                    + "display %d",
+                            "Content Recording: Unable to start recording due to null token or " +
+                                    "null window container for " + "display %d",
                             mDisplayContent.getDisplayId());
                     return null;
                 }
-                Task taskToRecord = WindowContainer.fromBinder(tokenToRecord).asTask();
+                final Task taskToRecord = wc.asTask();
                 if (taskToRecord == null) {
                     handleStartRecordingFailed();
                     ProtoLog.v(WM_DEBUG_CONTENT_RECORDING,
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 673d82d..fcb6036 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -3254,7 +3254,8 @@
             // just kill it. And if it is a window of foreground activity, the activity can be
             // restarted automatically if needed.
             Slog.w(TAG, "Exception thrown during dispatchAppVisibility " + this, e);
-            if (android.os.Process.getUidForPid(mSession.mPid) == mSession.mUid) {
+            if (android.os.Process.getUidForPid(mSession.mPid) == mSession.mUid
+                    && android.os.Process.getThreadGroupLeader(mSession.mPid) == mSession.mPid) {
                 android.os.Process.killProcess(mSession.mPid);
             }
         }
diff --git a/services/core/jni/Android.bp b/services/core/jni/Android.bp
index 545f9c9..9cee81f 100644
--- a/services/core/jni/Android.bp
+++ b/services/core/jni/Android.bp
@@ -11,7 +11,6 @@
     name: "libservices.core",
     defaults: ["libservices.core-libs"],
 
-    cpp_std: "c++2a",
     cflags: [
         "-Wall",
         "-Werror",
diff --git a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
index 95e7b19..d9af3df 100644
--- a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
+++ b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
@@ -564,8 +564,8 @@
                                                                             jobject clazz) {
     std::string path;
 
-    if (!getAttributePathForTask("FreezerState", getpid(), &path)) {
-        path = "";
+    if (!CgroupGetAttributePathForTask("FreezerState", getpid(), &path)) {
+        path.clear();
     }
 
     return env->NewStringUTF(path.c_str());
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 0718f04..51166b1 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -277,6 +277,7 @@
 import com.android.server.usage.UsageStatsService;
 import com.android.server.usb.UsbService;
 import com.android.server.utils.TimingsTraceAndSlog;
+import com.android.server.vcn.VcnLocation;
 import com.android.server.vibrator.VibratorManagerService;
 import com.android.server.voiceinteraction.VoiceInteractionManagerService;
 import com.android.server.vr.VrManagerService;
@@ -1847,6 +1848,10 @@
         }
         t.traceEnd();
 
+        t.traceBegin("UpdateMetricsIfNeeded");
+        mPackageManagerService.updateMetricsIfNeeded();
+        t.traceEnd();
+
         t.traceBegin("PerformFstrimIfNeeded");
         try {
             mPackageManagerService.performFstrimIfNeeded();
@@ -2146,10 +2151,13 @@
 
             t.traceBegin("StartVcnManagementService");
             try {
-                // TODO: b/375213246 When VCN is in mainline module, load it from the apex path.
-                // Whether VCN will be in apex or in the platform will be gated by a build system
-                // flag.
-                mSystemServiceManager.startService(CONNECTIVITY_SERVICE_INITIALIZER_B_CLASS);
+                if (VcnLocation.IS_VCN_IN_MAINLINE) {
+                    mSystemServiceManager.startServiceFromJar(
+                            CONNECTIVITY_SERVICE_INITIALIZER_B_CLASS,
+                            CONNECTIVITY_SERVICE_APEX_PATH);
+                } else {
+                    mSystemServiceManager.startService(CONNECTIVITY_SERVICE_INITIALIZER_B_CLASS);
+                }
             } catch (Throwable e) {
                 reportWtf("starting VCN Management Service", e);
             }
diff --git a/services/tests/servicestests/src/com/android/server/app/GameManagerServiceSettingsTests.java b/services/tests/servicestests/src/com/android/server/app/GameManagerServiceSettingsTests.java
index fde3422..17f5ebb 100644
--- a/services/tests/servicestests/src/com/android/server/app/GameManagerServiceSettingsTests.java
+++ b/services/tests/servicestests/src/com/android/server/app/GameManagerServiceSettingsTests.java
@@ -130,9 +130,9 @@
         assertEquals(GameManager.GAME_MODE_STANDARD, settings.getGameModeLocked(PACKAGE_NAME_4));
 
         // test game mode configs
-        assertNull(settings.getConfigOverride(PACKAGE_NAME_1));
-        assertNull(settings.getConfigOverride(PACKAGE_NAME_3));
-        GamePackageConfiguration config = settings.getConfigOverride(PACKAGE_NAME_2);
+        assertNull(settings.getConfigOverrideLocked(PACKAGE_NAME_1));
+        assertNull(settings.getConfigOverrideLocked(PACKAGE_NAME_3));
+        GamePackageConfiguration config = settings.getConfigOverrideLocked(PACKAGE_NAME_2);
         assertNotNull(config);
 
         assertNull(config.getGameModeConfiguration(GameManager.GAME_MODE_STANDARD));
@@ -152,7 +152,7 @@
         assertEquals(batteryConfig.getFpsStr(), GameModeConfiguration.DEFAULT_FPS);
         assertFalse(batteryConfig.getUseAngle());
 
-        config = settings.getConfigOverride(PACKAGE_NAME_4);
+        config = settings.getConfigOverrideLocked(PACKAGE_NAME_4);
         assertNotNull(config);
         GameModeConfiguration customConfig = config.getGameModeConfiguration(
                 GameManager.GAME_MODE_CUSTOM);
@@ -177,7 +177,7 @@
         GameManagerSettings settings = new GameManagerSettings(context.getFilesDir());
         assertTrue(settings.readPersistentDataLocked());
 
-        final GamePackageConfiguration config = settings.getConfigOverride(PACKAGE_NAME_1);
+        final GamePackageConfiguration config = settings.getConfigOverrideLocked(PACKAGE_NAME_1);
         assertNotNull(config);
         final GameModeConfiguration batteryConfig = config.getGameModeConfiguration(
                 GameManager.GAME_MODE_BATTERY);
@@ -218,7 +218,7 @@
         assertEquals(2, settings.getGameModeLocked(PACKAGE_NAME_2));
         assertEquals(3, settings.getGameModeLocked(PACKAGE_NAME_3));
 
-        final GamePackageConfiguration config = settings.getConfigOverride(PACKAGE_NAME_2);
+        final GamePackageConfiguration config = settings.getConfigOverrideLocked(PACKAGE_NAME_2);
         assertNotNull(config);
         final GameModeConfiguration batteryConfig = config.getGameModeConfiguration(
                 GameManager.GAME_MODE_BATTERY);
@@ -248,7 +248,7 @@
         GameModeConfiguration batteryConfig = config.getOrAddDefaultGameModeConfiguration(
                 GameManager.GAME_MODE_BATTERY);
         batteryConfig.setScaling(0.77f);
-        settings.setConfigOverride(PACKAGE_NAME_2, config);
+        settings.setConfigOverrideLocked(PACKAGE_NAME_2, config);
 
         // set config for app4
         config = new GamePackageConfiguration(PACKAGE_NAME_4);
@@ -256,15 +256,15 @@
                 GameManager.GAME_MODE_CUSTOM);
         customConfig.setScaling(0.4f);
         customConfig.setFpsStr("30");
-        settings.setConfigOverride(PACKAGE_NAME_4, config);
+        settings.setConfigOverrideLocked(PACKAGE_NAME_4, config);
 
         settings.writePersistentDataLocked();
 
         // clear the settings in memory
-        settings.removeGame(PACKAGE_NAME_1);
-        settings.removeGame(PACKAGE_NAME_2);
-        settings.removeGame(PACKAGE_NAME_3);
-        settings.removeGame(PACKAGE_NAME_4);
+        settings.removeGameLocked(PACKAGE_NAME_1);
+        settings.removeGameLocked(PACKAGE_NAME_2);
+        settings.removeGameLocked(PACKAGE_NAME_3);
+        settings.removeGameLocked(PACKAGE_NAME_4);
 
         // read back in and verify
         assertTrue(settings.readPersistentDataLocked());
@@ -273,9 +273,9 @@
         assertEquals(1, settings.getGameModeLocked(PACKAGE_NAME_3));
         assertEquals(1, settings.getGameModeLocked(PACKAGE_NAME_4));
 
-        config = settings.getConfigOverride(PACKAGE_NAME_1);
+        config = settings.getConfigOverrideLocked(PACKAGE_NAME_1);
         assertNull(config);
-        config = settings.getConfigOverride(PACKAGE_NAME_2);
+        config = settings.getConfigOverrideLocked(PACKAGE_NAME_2);
         assertNotNull(config);
         batteryConfig = config.getGameModeConfiguration(GameManager.GAME_MODE_BATTERY);
         assertNotNull(batteryConfig);
@@ -292,7 +292,7 @@
         assertEquals(performanceConfig.getFpsStr(), "60");
         assertTrue(performanceConfig.getUseAngle());
 
-        config = settings.getConfigOverride(PACKAGE_NAME_4);
+        config = settings.getConfigOverrideLocked(PACKAGE_NAME_4);
         assertNotNull(config);
         customConfig = config.getGameModeConfiguration(GameManager.GAME_MODE_CUSTOM);
         assertNotNull(customConfig);
diff --git a/services/tests/servicestests/src/com/android/server/utils/LazyJniRegistrarTest.java b/services/tests/servicestests/src/com/android/server/utils/LazyJniRegistrarTest.java
new file mode 100644
index 0000000..a2df73b
--- /dev/null
+++ b/services/tests/servicestests/src/com/android/server/utils/LazyJniRegistrarTest.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package com.android.server.utils;
+
+import android.platform.test.annotations.Presubmit;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+
+@SmallTest
+@Presubmit
+@RunWith(JUnit4.class)
+public class LazyJniRegistrarTest {
+
+    @Test
+    public void testNativeMethodsResolve() throws Exception {
+        // Basic test with a few explicit invocations to make sure methods resolve and don't throw.
+        LazyJniRegistrar.registerConsumerIrService();
+        LazyJniRegistrar.registerGameManagerService();
+        LazyJniRegistrar.registerVrManagerService();
+    }
+
+    @Test
+    public void testAllNativeRegisterMethodsResolve() throws Exception {
+        // Catch-all test to make sure public static register* methods resolve and don't throw.
+        for (Method method : LazyJniRegistrar.class.getDeclaredMethods()) {
+            if (Modifier.isPublic(method.getModifiers())
+                    && Modifier.isStatic(method.getModifiers())
+                    && method.getName().startsWith("register")) {
+                method.invoke(null);
+            }
+        }
+    }
+
+    // TODO(b/302724778): Remove manual JNI load
+    static {
+        System.loadLibrary("servicestestjni");
+    }
+}
diff --git a/services/tests/servicestests/src/com/android/server/utils/OWNERS b/services/tests/servicestests/src/com/android/server/utils/OWNERS
index f5b19a1..69b9fa2 100644
--- a/services/tests/servicestests/src/com/android/server/utils/OWNERS
+++ b/services/tests/servicestests/src/com/android/server/utils/OWNERS
@@ -1,5 +1,6 @@
 per-file EventLoggerTest.java = file:/platform/frameworks/av:/media/janitors/media_solutions_OWNERS
 per-file EventLoggerTest.java = jmtrivi@google.com
+per-file LazyJniRegistrarTest.java = file:/PERFORMANCE_OWNERS
 
 # Bug component : 158088 = per-file AnrTimer*.java
 per-file AnrTimer*.java = file:/PERFORMANCE_OWNERS
diff --git a/tools/systemfeatures/src/com/android/systemfeatures/SystemFeaturesMetadataProcessor.kt b/tools/systemfeatures/src/com/android/systemfeatures/SystemFeaturesMetadataProcessor.kt
index 4a6d4b1..c51c6d6 100644
--- a/tools/systemfeatures/src/com/android/systemfeatures/SystemFeaturesMetadataProcessor.kt
+++ b/tools/systemfeatures/src/com/android/systemfeatures/SystemFeaturesMetadataProcessor.kt
@@ -18,9 +18,11 @@
 
 import android.annotation.SdkConstant
 import com.squareup.javapoet.ClassName
+import com.squareup.javapoet.CodeBlock
 import com.squareup.javapoet.FieldSpec
 import com.squareup.javapoet.JavaFile
 import com.squareup.javapoet.MethodSpec
+import com.squareup.javapoet.ParameterizedTypeName
 import com.squareup.javapoet.TypeSpec
 import java.io.IOException
 import javax.annotation.processing.AbstractProcessor
@@ -101,8 +103,8 @@
             TypeSpec.classBuilder("SystemFeaturesMetadata")
                 .addModifiers(Modifier.PUBLIC, Modifier.FINAL)
                 .addJavadoc("@hide")
-                .addField(buildFeatureCount(featureVarNames))
-                .addMethod(buildFeatureIndexLookup(featureVarNames))
+                .addFeatureCount(featureVarNames)
+                .addFeatureIndexLookup(featureVarNames)
                 .build()
 
         try {
@@ -120,19 +122,55 @@
         return true
     }
 
-    private fun buildFeatureCount(featureVarNames: Collection<String>): FieldSpec {
-        return FieldSpec.builder(Int::class.java, "SDK_FEATURE_COUNT")
-            .addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL)
-            .addJavadoc(
-                "# of {@link android.annotation.SdkConstant}` features defined in PackageManager."
-            )
-            .addJavadoc("\n\n@hide")
-            .initializer("\$L", featureVarNames.size)
-            .build()
+    private fun TypeSpec.Builder.addFeatureCount(
+        featureVarNames: Collection<String>
+    ): TypeSpec.Builder {
+        return addField(
+            FieldSpec.builder(Int::class.java, "SDK_FEATURE_COUNT")
+                .addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL)
+                .addJavadoc(
+                    "# of {@link android.annotation.SdkConstant}` features in PackageManager."
+                )
+                .addJavadoc("\n\n@hide")
+                .initializer("\$L", featureVarNames.size)
+                .build()
+        )
     }
 
-    private fun buildFeatureIndexLookup(featureVarNames: Collection<String>): MethodSpec {
-        val methodBuilder =
+    private fun TypeSpec.Builder.addFeatureIndexLookup(
+        featureVarNames: Collection<String>
+    ): TypeSpec.Builder {
+        // NOTE: This was initially implemented in terms of a single, long switch() statement.
+        // However, this resulted in:
+        //   1) relatively large compiled code size for the lookup method (~20KB)
+        //   2) worse runtime lookup performance than a simple ArraySet
+        // The ArraySet approach adds just ~1KB to the code/image and is 2x faster at runtime.
+
+        // Provide the initial capacity of the ArraySet for efficiency.
+        addField(
+            FieldSpec.builder(
+                    ParameterizedTypeName.get(ARRAYSET_CLASS, ClassName.get(String::class.java)),
+                    "sFeatures",
+                )
+                .addModifiers(Modifier.PRIVATE, Modifier.STATIC, Modifier.FINAL)
+                .initializer("new ArraySet<>(\$L)", featureVarNames.size)
+                .build()
+        )
+
+        // Use a temp array + Collections.addAll() to minimizes the generated code size.
+        addStaticBlock(
+            CodeBlock.builder()
+                .add("final \$T[] features = {\n", String::class.java)
+                .indent()
+                .apply { featureVarNames.forEach { add("\$T.\$N,\n", PACKAGEMANAGER_CLASS, it) } }
+                .unindent()
+                .addStatement("}")
+                .addStatement("\$T.addAll(sFeatures, features)", COLLECTIONS_CLASS)
+                .build()
+        )
+
+        // Use ArraySet.indexOf to provide the implicit feature index mapping.
+        return addMethod(
             MethodSpec.methodBuilder("maybeGetSdkFeatureIndex")
                 .addModifiers(Modifier.PUBLIC, Modifier.STATIC)
                 .addJavadoc("@return an index in [0, SDK_FEATURE_COUNT) for features defined ")
@@ -140,21 +178,15 @@
                 .addJavadoc("\n\n@hide")
                 .returns(Int::class.java)
                 .addParameter(String::class.java, "featureName")
-        methodBuilder.beginControlFlow("switch (featureName)")
-        featureVarNames.forEachIndexed { index, featureVarName ->
-            methodBuilder
-                .addCode("case \$T.\$N: ", PACKAGEMANAGER_CLASS, featureVarName)
-                .addStatement("return \$L", index)
-        }
-        methodBuilder
-            .addCode("default: ")
-            .addStatement("return -1")
-            .endControlFlow()
-        return methodBuilder.build()
+                .addStatement("return sFeatures.indexOf(featureName)")
+                .build()
+        )
     }
 
     companion object {
         private val SDK_CONSTANT_ANNOTATION_NAME = SdkConstant::class.qualifiedName
         private val PACKAGEMANAGER_CLASS = ClassName.get("android.content.pm", "PackageManager")
+        private val ARRAYSET_CLASS = ClassName.get("android.util", "ArraySet")
+        private val COLLECTIONS_CLASS = ClassName.get("java.util", "Collections")
     }
 }
diff --git a/tools/systemfeatures/tests/src/ArraySet.java b/tools/systemfeatures/tests/src/ArraySet.java
new file mode 100644
index 0000000..0eb8f29
--- /dev/null
+++ b/tools/systemfeatures/tests/src/ArraySet.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+package android.util;
+
+import java.util.ArrayList;
+
+/** Stub for testing, we extend ArrayList to get indexOf() for free. */
+public final class ArraySet<K> extends ArrayList<K> {
+    public ArraySet(int capacity) {
+        super(capacity);
+    }
+
+    @Override
+    public boolean add(K k) {
+        if (!contains(k)) {
+            return super.add(k);
+        }
+        return false;
+    }
+}