diff --git a/StubLibraries.bp b/StubLibraries.bp
index fa97203..3f4e689 100644
--- a/StubLibraries.bp
+++ b/StubLibraries.bp
@@ -93,6 +93,8 @@
     ],
     api_levels_annotations_enabled: false,
     filter_packages: packages_to_document,
+    defaults_visibility: ["//visibility:private"],
+    visibility: ["//frameworks/base/api"],
 }
 
 /////////////////////////////////////////////////////////////////////
@@ -341,6 +343,8 @@
         tag: ".jar",
         dest: "android-non-updatable.jar",
     },
+    defaults_visibility: ["//visibility:private"],
+    visibility: ["//visibility:private"],
 }
 
 java_library_static {
@@ -394,6 +398,8 @@
     system_modules: "none",
     java_version: "1.8",
     compile_dex: true,
+    defaults_visibility: ["//visibility:private"],
+    visibility: ["//visibility:public"],
 }
 
 java_defaults {
@@ -406,6 +412,7 @@
         tag: ".jar",
         dest: "android.jar",
     },
+    defaults_visibility: ["//frameworks/base/services"],
 }
 
 java_library_static {
@@ -505,6 +512,7 @@
         "metalava-manual",
     ],
     args: priv_apps,
+    visibility: ["//visibility:private"],
 }
 
 java_library_static {
@@ -514,4 +522,5 @@
     srcs: [
         ":hwbinder-stubs-docs",
     ],
+    visibility: ["//visibility:public"],
 }
diff --git a/apex/media/framework/lint-baseline.xml b/apex/media/framework/lint-baseline.xml
new file mode 100644
index 0000000..29adf1d
--- /dev/null
+++ b/apex/media/framework/lint-baseline.xml
@@ -0,0 +1,246 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.TrackData#mediaFormat`"
+        errorLine1="            this.mediaFormat = mediaFormat;"
+        errorLine2="            ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="271"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.TrackData#drmInitData`"
+        errorLine1="            this.drmInitData = drmInitData;"
+        errorLine2="            ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="272"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            this.timeMicros = timeMicros;"
+        errorLine2="            ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="293"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            this.position = position;"
+        errorLine2="            ~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="294"
+            column="13"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            return &quot;[timeMicros=&quot; + timeMicros + &quot;, position=&quot; + position + &quot;]&quot;;"
+        errorLine2="                                                                 ~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="300"
+            column="66"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            return &quot;[timeMicros=&quot; + timeMicros + &quot;, position=&quot; + position + &quot;]&quot;;"
+        errorLine2="                                    ~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="300"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level R (current min is 29): `android.media.MediaParser.SeekPoint`"
+        errorLine1="            SeekPoint other = (SeekPoint) obj;"
+        errorLine2="                               ~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="311"
+            column="32"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            return timeMicros == other.timeMicros &amp;&amp; position == other.position;"
+        errorLine2="                                                     ~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="312"
+            column="54"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            return timeMicros == other.timeMicros &amp;&amp; position == other.position;"
+        errorLine2="                                                                 ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="312"
+            column="66"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            return timeMicros == other.timeMicros &amp;&amp; position == other.position;"
+        errorLine2="                   ~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="312"
+            column="20"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            return timeMicros == other.timeMicros &amp;&amp; position == other.position;"
+        errorLine2="                                 ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="312"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            int result = (int) timeMicros;"
+        errorLine2="                               ~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="317"
+            column="32"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            result = 31 * result + (int) position;"
+        errorLine2="                                         ~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="318"
+            column="42"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level R (current min is 29): `android.media.MediaParser.InputReader`"
+        errorLine1="    public interface SeekableInputReader extends InputReader {"
+        errorLine2="                                                 ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="350"
+            column="50"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `SeekableInputReader` to `InputReader` requires API level 30 (current min is 29)"
+        errorLine1="        mExoDataReader.mInputReader = seekableInputReader;"
+        errorLine2="                                      ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1198"
+            column="39"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            mPendingSeekPosition = seekPoint.position;"
+        errorLine2="                                   ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1284"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            mPendingSeekTimeMicros = seekPoint.timeMicros;"
+        errorLine2="                                     ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1285"
+            column="38"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#position`"
+        errorLine1="            mExtractor.seek(seekPoint.position, seekPoint.timeMicros);"
+        errorLine2="                            ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1287"
+            column="29"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.MediaParser.SeekPoint#timeMicros`"
+        errorLine1="            mExtractor.seek(seekPoint.position, seekPoint.timeMicros);"
+        errorLine2="                                                ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1287"
+            column="49"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level R (current min is 29): `android.media.DrmInitData.SchemeInitData#uuid`"
+        errorLine1="                if (schemeInitData.uuid.equals(schemeUuid)) {"
+        errorLine2="                    ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1566"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level R (current min is 29): `android.media.MediaParser.InputReader`"
+        errorLine1="    private static final class DataReaderAdapter implements InputReader {"
+        errorLine2="                                                            ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1859"
+            column="61"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level R (current min is 29): `android.media.MediaParser.InputReader`"
+        errorLine1="    private static final class ParsableByteArrayAdapter implements InputReader {"
+        errorLine2="                                                                   ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/apex/media/framework/java/android/media/MediaParser.java"
+            line="1892"
+            column="68"/>
+    </issue>
+
+</issues>
diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 1102a0d..9e82cfb 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -1502,6 +1502,8 @@
   }
 
   public static interface BluetoothAdapter.OobDataCallback {
+    method public void onError(int);
+    method public void onOobData(int, @Nullable android.bluetooth.OobData);
   }
 
   public final class BluetoothDevice implements android.os.Parcelable {
@@ -6099,10 +6101,6 @@
 
 package android.net {
 
-  public class DnsResolverServiceManager {
-    method @NonNull @RequiresPermission(android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK) public static android.os.IBinder getService(@NonNull android.content.Context);
-  }
-
   public class EthernetManager {
     method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public android.net.EthernetManager.TetheredInterfaceRequest requestTetheredInterface(@NonNull java.util.concurrent.Executor, @NonNull android.net.EthernetManager.TetheredInterfaceCallback);
   }
@@ -6735,16 +6733,16 @@
     method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean enableSecureNfc(boolean);
     method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean isControllerAlwaysOn();
     method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean isControllerAlwaysOnSupported();
-    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void registerControllerAlwaysOnStateCallback(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcAdapter.ControllerAlwaysOnStateCallback);
+    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void registerControllerAlwaysOnListener(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);
     method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean removeNfcUnlockHandler(android.nfc.NfcAdapter.NfcUnlockHandler);
     method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean setControllerAlwaysOn(boolean);
     method public void setNdefPushMessage(android.nfc.NdefMessage, android.app.Activity, int);
-    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void unregisterControllerAlwaysOnStateCallback(@NonNull android.nfc.NfcAdapter.ControllerAlwaysOnStateCallback);
+    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void unregisterControllerAlwaysOnListener(@NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);
     field public static final int FLAG_NDEF_PUSH_NO_CONFIRM = 1; // 0x1
   }
 
-  public static interface NfcAdapter.ControllerAlwaysOnStateCallback {
-    method public void onStateChanged(boolean);
+  public static interface NfcAdapter.ControllerAlwaysOnListener {
+    method public void onControllerAlwaysOnChanged(boolean);
   }
 
   public static interface NfcAdapter.NfcUnlockHandler {
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index f7b101d..fd6d47e 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -1009,6 +1009,10 @@
     method public static void setServiceForTest(@Nullable android.os.IBinder);
   }
 
+  public class NetworkWatchlistManager {
+    method @Nullable public byte[] getWatchlistConfigHash();
+  }
+
   public class TrafficStats {
     method public static long getLoopbackRxBytes();
     method public static long getLoopbackRxPackets();
diff --git a/core/java/android/app/ApplicationExitInfo.java b/core/java/android/app/ApplicationExitInfo.java
index 854f5a4..87f48c0 100644
--- a/core/java/android/app/ApplicationExitInfo.java
+++ b/core/java/android/app/ApplicationExitInfo.java
@@ -614,7 +614,7 @@
      * tombstone traces will be returned for
      * {@link #REASON_CRASH_NATIVE}, with an InputStream containing a protobuf with
      * <a href="https://android.googlesource.com/platform/system/core/+/refs/heads/master/debuggerd/proto/tombstone.proto">this schema</a>.
-     * Note thatbecause these traces are kept in a separate global circular buffer, crashes may be
+     * Note that because these traces are kept in a separate global circular buffer, crashes may be
      * overwritten by newer crashes (including from other applications), so this may still return
      * null.
      *
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 7d62327..3802289 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -3062,8 +3062,6 @@
          *
          * @param transport - whether the {@link OobData} is generated for LE or Classic.
          * @param oobData - data generated in the host stack(LE) or controller (Classic)
-         *
-         * @hide
          */
         void onOobData(@Transport int transport, @Nullable OobData oobData);
 
@@ -3071,8 +3069,6 @@
          * Provides feedback when things don't go as expected.
          *
          * @param errorCode - the code descibing the type of error that occurred.
-         *
-         * @hide
          */
         void onError(@OobError int errorCode);
     }
diff --git a/core/java/android/net/DnsResolverServiceManager.java b/core/java/android/net/DnsResolverServiceManager.java
deleted file mode 100644
index 1597322..0000000
--- a/core/java/android/net/DnsResolverServiceManager.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2020 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.net;
-
-import android.annotation.NonNull;
-import android.annotation.RequiresPermission;
-import android.annotation.SystemApi;
-import android.content.Context;
-import android.os.IBinder;
-import android.os.ServiceManager;
-
-import java.util.Objects;
-
-/**
- * Provides a way to obtain the DnsResolver binder objects.
- *
- * @hide
- */
-@SystemApi
-public class DnsResolverServiceManager {
-    /**
-     * Name to retrieve a {@link android.net.IDnsResolver} IBinder.
-     */
-    private static final String DNS_RESOLVER_SERVICE = "dnsresolver";
-
-    private DnsResolverServiceManager() {}
-
-    /**
-     * Get an {@link IBinder} representing the DnsResolver stable AIDL interface
-     *
-     * @param context the context for permission check.
-     * @return {@link android.net.IDnsResolver} IBinder.
-     */
-    @NonNull
-    @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
-    public static IBinder getService(@NonNull final Context context) {
-        Objects.requireNonNull(context);
-        context.enforceCallingOrSelfPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-                "DnsResolverServiceManager");
-        try {
-            return ServiceManager.getServiceOrThrow(DNS_RESOLVER_SERVICE);
-        } catch (ServiceManager.ServiceNotFoundException e) {
-            // Catch ServiceManager#ServiceNotFoundException and rethrow IllegalStateException
-            // because ServiceManager#ServiceNotFoundException is @hide so that it can't be listed
-            // on the system api. Thus, rethrow IllegalStateException if dns resolver service cannot
-            // be found.
-            throw new IllegalStateException("Cannot find dns resolver service.");
-        }
-    }
-}
diff --git a/core/java/android/net/NetworkWatchlistManager.java b/core/java/android/net/NetworkWatchlistManager.java
index 8f6510e..da01dcb 100644
--- a/core/java/android/net/NetworkWatchlistManager.java
+++ b/core/java/android/net/NetworkWatchlistManager.java
@@ -19,6 +19,7 @@
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.annotation.SystemService;
+import android.annotation.TestApi;
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
@@ -31,6 +32,7 @@
  * Class that manage network watchlist in system.
  * @hide
  */
+@TestApi
 @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
 @SystemService(Context.NETWORK_WATCHLIST_SERVICE)
 public class NetworkWatchlistManager {
diff --git a/core/java/android/nfc/INfcAdapter.aidl b/core/java/android/nfc/INfcAdapter.aidl
index d5cc01a..cb9a3e4 100644
--- a/core/java/android/nfc/INfcAdapter.aidl
+++ b/core/java/android/nfc/INfcAdapter.aidl
@@ -24,7 +24,7 @@
 import android.nfc.TechListParcel;
 import android.nfc.IAppCallback;
 import android.nfc.INfcAdapterExtras;
-import android.nfc.INfcControllerAlwaysOnStateCallback;
+import android.nfc.INfcControllerAlwaysOnListener;
 import android.nfc.INfcTag;
 import android.nfc.INfcCardEmulation;
 import android.nfc.INfcFCardEmulation;
@@ -76,6 +76,6 @@
     boolean setControllerAlwaysOn(boolean value);
     boolean isControllerAlwaysOn();
     boolean isControllerAlwaysOnSupported();
-    void registerControllerAlwaysOnStateCallback(in INfcControllerAlwaysOnStateCallback callback);
-    void unregisterControllerAlwaysOnStateCallback(in INfcControllerAlwaysOnStateCallback callback);
+    void registerControllerAlwaysOnListener(in INfcControllerAlwaysOnListener listener);
+    void unregisterControllerAlwaysOnListener(in INfcControllerAlwaysOnListener listener);
 }
diff --git a/core/java/android/nfc/INfcControllerAlwaysOnStateCallback.aidl b/core/java/android/nfc/INfcControllerAlwaysOnListener.aidl
similarity index 87%
rename from core/java/android/nfc/INfcControllerAlwaysOnStateCallback.aidl
rename to core/java/android/nfc/INfcControllerAlwaysOnListener.aidl
index 1e4fdd7..1bb7680 100644
--- a/core/java/android/nfc/INfcControllerAlwaysOnStateCallback.aidl
+++ b/core/java/android/nfc/INfcControllerAlwaysOnListener.aidl
@@ -19,11 +19,11 @@
 /**
  * @hide
  */
-oneway interface INfcControllerAlwaysOnStateCallback {
+oneway interface INfcControllerAlwaysOnListener {
   /**
    * Called whenever the controller always on state changes
    *
    * @param isEnabled true if the state is enabled, false otherwise
    */
-  void onControllerAlwaysOnStateChanged(boolean isEnabled);
+  void onControllerAlwaysOnChanged(boolean isEnabled);
 }
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index bbf802c..64c1211 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -67,7 +67,7 @@
 public final class NfcAdapter {
     static final String TAG = "NFC";
 
-    private final NfcControllerAlwaysOnStateListener mControllerAlwaysOnStateListener;
+    private final NfcControllerAlwaysOnListener mControllerAlwaysOnListener;
 
     /**
      * Intent to start an activity when a tag with NDEF payload is discovered.
@@ -418,19 +418,19 @@
     }
 
     /**
-     * A callback to be invoked when NFC controller always on state changes.
-     * <p>Register your {@code ControllerAlwaysOnStateCallback} implementation with {@link
-     * NfcAdapter#registerControllerAlwaysOnStateCallback} and disable it with {@link
-     * NfcAdapter#unregisterControllerAlwaysOnStateCallback}.
-     * @see #registerControllerAlwaysOnStateCallback
+     * A listener to be invoked when NFC controller always on state changes.
+     * <p>Register your {@code ControllerAlwaysOnListener} implementation with {@link
+     * NfcAdapter#registerControllerAlwaysOnListener} and disable it with {@link
+     * NfcAdapter#unregisterControllerAlwaysOnListener}.
+     * @see #registerControllerAlwaysOnListener
      * @hide
      */
     @SystemApi
-    public interface ControllerAlwaysOnStateCallback {
+    public interface ControllerAlwaysOnListener {
         /**
          * Called on NFC controller always on state changes
          */
-        void onStateChanged(boolean isEnabled);
+        void onControllerAlwaysOnChanged(boolean isEnabled);
     }
 
     /**
@@ -748,7 +748,7 @@
         mNfcUnlockHandlers = new HashMap<NfcUnlockHandler, INfcUnlockHandler>();
         mTagRemovedListener = null;
         mLock = new Object();
-        mControllerAlwaysOnStateListener = new NfcControllerAlwaysOnStateListener(getService());
+        mControllerAlwaysOnListener = new NfcControllerAlwaysOnListener(getService());
     }
 
     /**
@@ -2246,12 +2246,12 @@
      * <p>This API is for the NFCC internal state management. It allows to discriminate
      * the controller function from the NFC function by keeping the NFC controller on without
      * any NFC RF enabled if necessary.
-     * <p>This call is asynchronous. Register a callback {@link #ControllerAlwaysOnStateCallback}
-     * by {@link #registerControllerAlwaysOnStateCallback} to find out when the operation is
+     * <p>This call is asynchronous. Register a listener {@link #ControllerAlwaysOnListener}
+     * by {@link #registerControllerAlwaysOnListener} to find out when the operation is
      * complete.
      * <p>If this returns true, then either NFCC always on state has been set based on the value,
-     * or a {@link ControllerAlwaysOnStateCallback#onStateChanged(boolean)} will be invoked to
-     * indicate the state change.
+     * or a {@link ControllerAlwaysOnListener#onControllerAlwaysOnChanged(boolean)} will be invoked
+     * to indicate the state change.
      * If this returns false, then there is some problem that prevents an attempt to turn NFCC
      * always on.
      * @param value if true the NFCC will be kept on (with no RF enabled if NFC adapter is
@@ -2344,37 +2344,37 @@
     }
 
     /**
-     * Register a {@link ControllerAlwaysOnStateCallback} to listen for NFC controller always on
+     * Register a {@link ControllerAlwaysOnListener} to listen for NFC controller always on
      * state changes
-     * <p>The provided callback will be invoked by the given {@link Executor}.
+     * <p>The provided listener will be invoked by the given {@link Executor}.
      *
-     * @param executor an {@link Executor} to execute given callback
-     * @param callback user implementation of the {@link ControllerAlwaysOnStateCallback}
+     * @param executor an {@link Executor} to execute given listener
+     * @param listener user implementation of the {@link ControllerAlwaysOnListener}
      * @hide
      */
     @SystemApi
     @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON)
-    public void registerControllerAlwaysOnStateCallback(
+    public void registerControllerAlwaysOnListener(
             @NonNull @CallbackExecutor Executor executor,
-            @NonNull ControllerAlwaysOnStateCallback callback) {
-        mControllerAlwaysOnStateListener.register(executor, callback);
+            @NonNull ControllerAlwaysOnListener listener) {
+        mControllerAlwaysOnListener.register(executor, listener);
     }
 
     /**
-     * Unregister the specified {@link ControllerAlwaysOnStateCallback}
-     * <p>The same {@link ControllerAlwaysOnStateCallback} object used when calling
-     * {@link #registerControllerAlwaysOnStateCallback(Executor, ControllerAlwaysOnStateCallback)}
+     * Unregister the specified {@link ControllerAlwaysOnListener}
+     * <p>The same {@link ControllerAlwaysOnListener} object used when calling
+     * {@link #registerControllerAlwaysOnListener(Executor, ControllerAlwaysOnListener)}
      * must be used.
      *
-     * <p>Callbacks are automatically unregistered when application process goes away
+     * <p>Listeners are automatically unregistered when application process goes away
      *
-     * @param callback user implementation of the {@link ControllerAlwaysOnStateCallback}
+     * @param listener user implementation of the {@link ControllerAlwaysOnListener}
      * @hide
      */
     @SystemApi
     @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON)
-    public void unregisterControllerAlwaysOnStateCallback(
-            @NonNull ControllerAlwaysOnStateCallback callback) {
-        mControllerAlwaysOnStateListener.unregister(callback);
+    public void unregisterControllerAlwaysOnListener(
+            @NonNull ControllerAlwaysOnListener listener) {
+        mControllerAlwaysOnListener.unregister(listener);
     }
 }
diff --git a/core/java/android/nfc/NfcControllerAlwaysOnListener.java b/core/java/android/nfc/NfcControllerAlwaysOnListener.java
new file mode 100644
index 0000000..96707bb
--- /dev/null
+++ b/core/java/android/nfc/NfcControllerAlwaysOnListener.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2021 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 android.annotation.NonNull;
+import android.nfc.NfcAdapter.ControllerAlwaysOnListener;
+import android.os.Binder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.Executor;
+
+/**
+ * @hide
+ */
+public class NfcControllerAlwaysOnListener extends INfcControllerAlwaysOnListener.Stub {
+    private static final String TAG = NfcControllerAlwaysOnListener.class.getSimpleName();
+
+    private final INfcAdapter mAdapter;
+
+    private final Map<ControllerAlwaysOnListener, Executor> mListenerMap = new HashMap<>();
+
+    private boolean mCurrentState = false;
+    private boolean mIsRegistered = false;
+
+    public NfcControllerAlwaysOnListener(@NonNull INfcAdapter adapter) {
+        mAdapter = adapter;
+    }
+
+    /**
+     * Register a {@link ControllerAlwaysOnListener} with this
+     * {@link NfcControllerAlwaysOnListener}
+     *
+     * @param executor an {@link Executor} to execute given listener
+     * @param listener user implementation of the {@link ControllerAlwaysOnListener}
+     */
+    public void register(@NonNull Executor executor,
+            @NonNull ControllerAlwaysOnListener listener) {
+        synchronized (this) {
+            if (mListenerMap.containsKey(listener)) {
+                return;
+            }
+
+            mListenerMap.put(listener, executor);
+            if (!mIsRegistered) {
+                try {
+                    mAdapter.registerControllerAlwaysOnListener(this);
+                    mIsRegistered = true;
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Failed to register");
+                }
+            }
+        }
+    }
+
+    /**
+     * Unregister the specified {@link ControllerAlwaysOnListener}
+     *
+     * @param listener user implementation of the {@link ControllerAlwaysOnListener}
+     */
+    public void unregister(@NonNull ControllerAlwaysOnListener listener) {
+        synchronized (this) {
+            if (!mListenerMap.containsKey(listener)) {
+                return;
+            }
+
+            mListenerMap.remove(listener);
+
+            if (mListenerMap.isEmpty() && mIsRegistered) {
+                try {
+                    mAdapter.unregisterControllerAlwaysOnListener(this);
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Failed to unregister");
+                }
+                mIsRegistered = false;
+            }
+        }
+    }
+
+    private void sendCurrentState(@NonNull ControllerAlwaysOnListener listener) {
+        synchronized (this) {
+            Executor executor = mListenerMap.get(listener);
+
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                executor.execute(() -> listener.onControllerAlwaysOnChanged(
+                        mCurrentState));
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+    }
+
+    @Override
+    public void onControllerAlwaysOnChanged(boolean isEnabled) {
+        synchronized (this) {
+            mCurrentState = isEnabled;
+            for (ControllerAlwaysOnListener cb : mListenerMap.keySet()) {
+                sendCurrentState(cb);
+            }
+        }
+    }
+}
+
diff --git a/core/java/android/nfc/NfcControllerAlwaysOnStateListener.java b/core/java/android/nfc/NfcControllerAlwaysOnStateListener.java
deleted file mode 100644
index 69a9ec7..0000000
--- a/core/java/android/nfc/NfcControllerAlwaysOnStateListener.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright 2021 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 android.annotation.NonNull;
-import android.nfc.NfcAdapter.ControllerAlwaysOnStateCallback;
-import android.os.Binder;
-import android.os.RemoteException;
-import android.util.Log;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.Executor;
-
-/**
- * @hide
- */
-public class NfcControllerAlwaysOnStateListener extends INfcControllerAlwaysOnStateCallback.Stub {
-    private static final String TAG = "NfcControllerAlwaysOnStateListener";
-
-    private final INfcAdapter mAdapter;
-
-    private final Map<ControllerAlwaysOnStateCallback, Executor> mCallbackMap = new HashMap<>();
-
-    private boolean mCurrentState = false;
-    private boolean mIsRegistered = false;
-
-    public NfcControllerAlwaysOnStateListener(@NonNull INfcAdapter adapter) {
-        mAdapter = adapter;
-    }
-
-    /**
-     * Register a {@link ControllerAlwaysOnStateCallback} with this
-     * {@link NfcControllerAlwaysOnStateListener}
-     *
-     * @param executor an {@link Executor} to execute given callback
-     * @param callback user implementation of the {@link ControllerAlwaysOnStateCallback}
-     */
-    public void register(@NonNull Executor executor,
-            @NonNull ControllerAlwaysOnStateCallback callback) {
-        synchronized (this) {
-            if (mCallbackMap.containsKey(callback)) {
-                return;
-            }
-
-            mCallbackMap.put(callback, executor);
-            if (!mIsRegistered) {
-                try {
-                    mAdapter.registerControllerAlwaysOnStateCallback(this);
-                    mIsRegistered = true;
-                } catch (RemoteException e) {
-                    Log.w(TAG, "Failed to register ControllerAlwaysOnStateListener");
-                }
-            }
-        }
-    }
-
-    /**
-     * Unregister the specified {@link ControllerAlwaysOnStateCallback}
-     *
-     * @param callback user implementation of the {@link ControllerAlwaysOnStateCallback}
-     */
-    public void unregister(@NonNull ControllerAlwaysOnStateCallback callback) {
-        synchronized (this) {
-            if (!mCallbackMap.containsKey(callback)) {
-                return;
-            }
-
-            mCallbackMap.remove(callback);
-
-            if (mCallbackMap.isEmpty() && mIsRegistered) {
-                try {
-                    mAdapter.unregisterControllerAlwaysOnStateCallback(this);
-                } catch (RemoteException e) {
-                    Log.w(TAG, "Failed to unregister ControllerAlwaysOnStateListener");
-                }
-                mIsRegistered = false;
-            }
-        }
-    }
-
-    private void sendCurrentState(@NonNull ControllerAlwaysOnStateCallback callback) {
-        synchronized (this) {
-            Executor executor = mCallbackMap.get(callback);
-
-            final long identity = Binder.clearCallingIdentity();
-            try {
-                executor.execute(() -> callback.onStateChanged(
-                        mCurrentState));
-            } finally {
-                Binder.restoreCallingIdentity(identity);
-            }
-        }
-    }
-
-    @Override
-    public void onControllerAlwaysOnStateChanged(boolean isEnabled) {
-        synchronized (this) {
-            mCurrentState = isEnabled;
-            for (ControllerAlwaysOnStateCallback cb : mCallbackMap.keySet()) {
-                sendCurrentState(cb);
-            }
-        }
-    }
-}
-
diff --git a/core/java/android/nfc/TEST_MAPPING b/core/java/android/nfc/TEST_MAPPING
new file mode 100644
index 0000000..71ad687
--- /dev/null
+++ b/core/java/android/nfc/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "NfcManagerTests"
+    }
+  ]
+}
diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index b111ec3..161d10a 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -796,13 +796,14 @@
     /**
      * Notify {@link PhysicalChannelConfig} has changed for a specific subscription.
      *
+     * @param slotIndex for which physical channel configs changed.
      * @param subId the subId
      * @param configs a list of {@link PhysicalChannelConfig}, the configs of physical channel.
      */
-    public void notifyPhysicalChannelConfigForSubscriber(
-            int subId, List<PhysicalChannelConfig> configs) {
+    public void notifyPhysicalChannelConfigForSubscriber(int slotIndex, int subId,
+            List<PhysicalChannelConfig> configs) {
         try {
-            sRegistry.notifyPhysicalChannelConfigForSubscriber(subId, configs);
+            sRegistry.notifyPhysicalChannelConfigForSubscriber(slotIndex, subId, configs);
         } catch (RemoteException ex) {
             // system server crash
         }
diff --git a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index 965971d..7a3fd91 100644
--- a/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/core/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -91,7 +91,7 @@
     void notifyRegistrationFailed(int slotIndex, int subId, in CellIdentity cellIdentity,
             String chosenPlmn, int domain, int causeCode, int additionalCauseCode);
     void notifyBarringInfoChanged(int slotIndex, int subId, in BarringInfo barringInfo);
-    void notifyPhysicalChannelConfigForSubscriber(in int subId,
+    void notifyPhysicalChannelConfigForSubscriber(in int phoneId, in int subId,
             in List<PhysicalChannelConfig> configs);
     void notifyDataEnabled(in int phoneId, int subId, boolean enabled, int reason);
     void notifyAllowedNetworkTypesChanged(in int phoneId, in int subId, in int reason, in long allowedNetworkType);
diff --git a/core/proto/android/internal/OWNERS b/core/proto/android/internal/OWNERS
new file mode 100644
index 0000000..24e24c2
--- /dev/null
+++ b/core/proto/android/internal/OWNERS
@@ -0,0 +1,2 @@
+# Binder
+per-file binder_latency.proto = file:/core/java/com/android/internal/os/BINDER_OWNERS
\ No newline at end of file
diff --git a/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/ConnectivityManagerTestBase.java b/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/ConnectivityManagerTestBase.java
index b0c1f25..100eb99 100644
--- a/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/ConnectivityManagerTestBase.java
+++ b/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/ConnectivityManagerTestBase.java
@@ -76,6 +76,7 @@
     private Context mContext;
     protected List<ScanResult> mLastScanResult;
     protected Object mWifiScanResultLock = new Object();
+    public TetheringManager mTetheringManager;
 
     /* Control Wifi States */
     public WifiManager mWifiManager;
@@ -129,6 +130,7 @@
         mCm = (ConnectivityManager)mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
         // Get an instance of WifiManager
         mWifiManager =(WifiManager)mContext.getSystemService(Context.WIFI_SERVICE);
+        mTetheringManager = mContext.getSystemService(TetheringManager.class);
 
         // register a connectivity receiver for CONNECTIVITY_ACTION;
         mConnectivityReceiver = new ConnectivityReceiver();
@@ -216,13 +218,13 @@
      */
     protected boolean waitForTetherStateChange(long timeout) {
         long startTime = SystemClock.uptimeMillis();
-        String[] wifiRegexes = mCm.getTetherableWifiRegexs();
+        String[] wifiRegexes = mTetheringManager.getTetherableWifiRegexs();
         while (true) {
             if ((SystemClock.uptimeMillis() - startTime) > timeout) {
                 return false;
             }
-            String[] active = mCm.getTetheredIfaces();
-            String[] error = mCm.getTetheringErroredIfaces();
+            String[] active = mTetheringManager.getTetheredIfaces();
+            String[] error = mTetheringManager.getTetheringErroredIfaces();
             for (String iface: active) {
                 for (String regex: wifiRegexes) {
                     if (iface.matches(regex)) {
diff --git a/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/WifiConfigurationHelper.java b/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/WifiConfigurationHelper.java
index a296ca2..09ea34e 100644
--- a/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/WifiConfigurationHelper.java
+++ b/core/tests/ConnectivityManagerTest/src/com/android/connectivitymanagertest/WifiConfigurationHelper.java
@@ -244,17 +244,19 @@
 
         IpConfiguration ipConfiguration = config.getIpConfiguration();
         if (jsonConfig.has("ip")) {
-            StaticIpConfiguration staticIpConfig = new StaticIpConfiguration();
-
             InetAddress ipAddress = getInetAddress(jsonConfig.getString("ip"));
             int prefixLength = getPrefixLength(jsonConfig.getInt("prefix_length"));
-            staticIpConfig.ipAddress = new LinkAddress(ipAddress, prefixLength);
-            staticIpConfig.gateway = getInetAddress(jsonConfig.getString("gateway"));
-            staticIpConfig.dnsServers.add(getInetAddress(jsonConfig.getString("dns1")));
-            staticIpConfig.dnsServers.add(getInetAddress(jsonConfig.getString("dns2")));
+
+            final StaticIpConfiguration.Builder builder = new StaticIpConfiguration.Builder();
+            builder.setIpAddress(new LinkAddress(ipAddress, prefixLength));
+            builder.setGateway(getInetAddress(jsonConfig.getString("gateway")));
+            final ArrayList<InetAddress> dnsServers = new ArrayList<>();
+            dnsServers.add(getInetAddress(jsonConfig.getString("dns1")));
+            dnsServers.add(getInetAddress(jsonConfig.getString("dns2")));
+            builder.setDnsServers(dnsServers);
+            ipConfiguration.setStaticIpConfiguration(builder.build());
 
             ipConfiguration.setIpAssignment(IpAssignment.STATIC);
-            ipConfiguration.setStaticIpConfiguration(staticIpConfig);
         } else {
             ipConfiguration.setIpAssignment(IpAssignment.DHCP);
         }
diff --git a/core/tests/nfctests/Android.bp b/core/tests/nfctests/Android.bp
new file mode 100644
index 0000000..335cea1
--- /dev/null
+++ b/core/tests/nfctests/Android.bp
@@ -0,0 +1,38 @@
+// Copyright 2021 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 {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_base_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_test {
+    name: "NfcManagerTests",
+    static_libs: [
+        "androidx.test.ext.junit",
+        "androidx.test.rules",
+        "mockito-target-minus-junit4",
+    ],
+    libs: [
+        "android.test.runner",
+    ],
+    srcs: ["src/**/*.java"],
+    platform_apis: true,
+    certificate: "platform",
+    test_suites: ["device-tests"],
+}
diff --git a/core/tests/nfctests/AndroidManifest.xml b/core/tests/nfctests/AndroidManifest.xml
new file mode 100644
index 0000000..99e2c34c
--- /dev/null
+++ b/core/tests/nfctests/AndroidManifest.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="android.nfc">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <!-- This is a self-instrumenting test package. -->
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+                     android:targetPackage="android.nfc"
+                     android:label="NFC Manager Tests">
+    </instrumentation>
+
+</manifest>
+
diff --git a/core/tests/nfctests/AndroidTest.xml b/core/tests/nfctests/AndroidTest.xml
new file mode 100644
index 0000000..490d6f5
--- /dev/null
+++ b/core/tests/nfctests/AndroidTest.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2021 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.
+-->
+<configuration description="Config for NFC Manager test cases">
+    <option name="test-suite-tag" value="apct"/>
+    <option name="test-suite-tag" value="apct-instrumentation"/>
+    <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
+        <option name="cleanup-apks" value="true" />
+        <option name="test-file-name" value="NfcManagerTests.apk" />
+    </target_preparer>
+
+    <option name="test-suite-tag" value="apct"/>
+    <option name="test-tag" value="NfcManagerTests"/>
+
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >
+        <option name="package" value="android.nfc" />
+        <option name="hidden-api-checks" value="false"/>
+        <option name="runner" value="androidx.test.runner.AndroidJUnitRunner"/>
+    </test>
+</configuration>
diff --git a/core/tests/nfctests/OWNERS b/core/tests/nfctests/OWNERS
new file mode 100644
index 0000000..34b095c
--- /dev/null
+++ b/core/tests/nfctests/OWNERS
@@ -0,0 +1 @@
+include /core/java/android/nfc/OWNERS
diff --git a/core/tests/nfctests/src/android/nfc/NfcControllerAlwaysOnListenerTest.java b/core/tests/nfctests/src/android/nfc/NfcControllerAlwaysOnListenerTest.java
new file mode 100644
index 0000000..43f9b6f
--- /dev/null
+++ b/core/tests/nfctests/src/android/nfc/NfcControllerAlwaysOnListenerTest.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2021 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 org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.nfc.NfcAdapter.ControllerAlwaysOnListener;
+import android.os.RemoteException;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executor;
+
+/**
+ * Test of {@link NfcControllerAlwaysOnListener}.
+ */
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class NfcControllerAlwaysOnListenerTest {
+
+    private INfcAdapter mNfcAdapter = mock(INfcAdapter.class);
+
+    private Throwable mThrowRemoteException = new RemoteException("RemoteException");
+
+    private static Executor getExecutor() {
+        return new Executor() {
+            @Override
+            public void execute(Runnable command) {
+                command.run();
+            }
+        };
+    }
+
+    private static void verifyListenerInvoked(ControllerAlwaysOnListener listener) {
+        verify(listener, times(1)).onControllerAlwaysOnChanged(anyBoolean());
+    }
+
+    @Test
+    public void testRegister_RegisterUnregister() throws RemoteException {
+        NfcControllerAlwaysOnListener mListener =
+                new NfcControllerAlwaysOnListener(mNfcAdapter);
+        ControllerAlwaysOnListener mockListener1 = mock(ControllerAlwaysOnListener.class);
+        ControllerAlwaysOnListener mockListener2 = mock(ControllerAlwaysOnListener.class);
+
+        // Verify that the state listener registered with the NFC Adapter
+        mListener.register(getExecutor(), mockListener1);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+
+        // Register a second client and no new call to NFC Adapter
+        mListener.register(getExecutor(), mockListener2);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+
+        // Unregister first listener
+        mListener.unregister(mockListener1);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+        verify(mNfcAdapter, times(0)).unregisterControllerAlwaysOnListener(any());
+
+        // Unregister second listener and the state listener registered with the NFC Adapter
+        mListener.unregister(mockListener2);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+        verify(mNfcAdapter, times(1)).unregisterControllerAlwaysOnListener(any());
+    }
+
+    @Test
+    public void testRegister_FirstRegisterFails() throws RemoteException {
+        NfcControllerAlwaysOnListener mListener =
+                new NfcControllerAlwaysOnListener(mNfcAdapter);
+        ControllerAlwaysOnListener mockListener1 = mock(ControllerAlwaysOnListener.class);
+        ControllerAlwaysOnListener mockListener2 = mock(ControllerAlwaysOnListener.class);
+
+        // Throw a remote exception whenever first registering
+        doThrow(mThrowRemoteException).when(mNfcAdapter).registerControllerAlwaysOnListener(
+                any());
+
+        mListener.register(getExecutor(), mockListener1);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+
+        // No longer throw an exception, instead succeed
+        doNothing().when(mNfcAdapter).registerControllerAlwaysOnListener(any());
+
+        // Register a different listener
+        mListener.register(getExecutor(), mockListener2);
+        verify(mNfcAdapter, times(2)).registerControllerAlwaysOnListener(any());
+
+        // Ensure first and second listener were invoked
+        mListener.onControllerAlwaysOnChanged(true);
+        verifyListenerInvoked(mockListener1);
+        verifyListenerInvoked(mockListener2);
+    }
+
+    @Test
+    public void testRegister_RegisterSameListenerTwice() throws RemoteException {
+        NfcControllerAlwaysOnListener mListener =
+                new NfcControllerAlwaysOnListener(mNfcAdapter);
+        ControllerAlwaysOnListener mockListener = mock(ControllerAlwaysOnListener.class);
+
+        // Register the same listener Twice
+        mListener.register(getExecutor(), mockListener);
+        mListener.register(getExecutor(), mockListener);
+        verify(mNfcAdapter, times(1)).registerControllerAlwaysOnListener(any());
+
+        // Invoke a state change and ensure the listener is only called once
+        mListener.onControllerAlwaysOnChanged(true);
+        verifyListenerInvoked(mockListener);
+    }
+
+    @Test
+    public void testNotify_AllListenersNotified() throws RemoteException {
+
+        NfcControllerAlwaysOnListener listener = new NfcControllerAlwaysOnListener(mNfcAdapter);
+        List<ControllerAlwaysOnListener> mockListeners = new ArrayList<>();
+        for (int i = 0; i < 10; i++) {
+            ControllerAlwaysOnListener mockListener = mock(ControllerAlwaysOnListener.class);
+            listener.register(getExecutor(), mockListener);
+            mockListeners.add(mockListener);
+        }
+
+        // Invoke a state change and ensure all listeners are invoked
+        listener.onControllerAlwaysOnChanged(true);
+        for (ControllerAlwaysOnListener mListener : mockListeners) {
+            verifyListenerInvoked(mListener);
+        }
+    }
+
+    @Test
+    public void testStateChange_CorrectValue() {
+        runStateChangeValue(true, true);
+        runStateChangeValue(false, false);
+
+    }
+
+    private void runStateChangeValue(boolean isEnabledIn, boolean isEnabledOut) {
+        NfcControllerAlwaysOnListener listener = new NfcControllerAlwaysOnListener(mNfcAdapter);
+        ControllerAlwaysOnListener mockListener = mock(ControllerAlwaysOnListener.class);
+        listener.register(getExecutor(), mockListener);
+        listener.onControllerAlwaysOnChanged(isEnabledIn);
+        verify(mockListener, times(1)).onControllerAlwaysOnChanged(isEnabledOut);
+        verify(mockListener, times(0)).onControllerAlwaysOnChanged(!isEnabledOut);
+    }
+}
diff --git a/packages/Connectivity/framework/src/android/net/ConnectivityFrameworkInitializer.java b/packages/Connectivity/framework/src/android/net/ConnectivityFrameworkInitializer.java
index 92a792b..a2e218d 100644
--- a/packages/Connectivity/framework/src/android/net/ConnectivityFrameworkInitializer.java
+++ b/packages/Connectivity/framework/src/android/net/ConnectivityFrameworkInitializer.java
@@ -68,5 +68,11 @@
                     return cm.startOrGetTestNetworkManager();
                 }
         );
+
+        SystemServiceRegistry.registerContextAwareService(
+                DnsResolverServiceManager.DNS_RESOLVER_SERVICE,
+                DnsResolverServiceManager.class,
+                (context, serviceBinder) -> new DnsResolverServiceManager(serviceBinder)
+        );
     }
 }
diff --git a/packages/Connectivity/framework/src/android/net/DnsResolverServiceManager.java b/packages/Connectivity/framework/src/android/net/DnsResolverServiceManager.java
new file mode 100644
index 0000000..79009e8
--- /dev/null
+++ b/packages/Connectivity/framework/src/android/net/DnsResolverServiceManager.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 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.net;
+
+import android.annotation.NonNull;
+import android.os.IBinder;
+
+/**
+ * Provides a way to obtain the DnsResolver binder objects.
+ *
+ * @hide
+ */
+public class DnsResolverServiceManager {
+    /** Service name for the DNS resolver. Keep in sync with DnsResolverService.h */
+    public static final String DNS_RESOLVER_SERVICE = "dnsresolver";
+
+    private final IBinder mResolver;
+
+    DnsResolverServiceManager(IBinder resolver) {
+        mResolver = resolver;
+    }
+
+    /**
+     * Get an {@link IBinder} representing the DnsResolver stable AIDL interface
+     *
+     * @return {@link android.net.IDnsResolver} IBinder.
+     */
+    @NonNull
+    public IBinder getService() {
+        return mResolver;
+    }
+}
diff --git a/packages/Connectivity/framework/src/android/net/LinkProperties.java b/packages/Connectivity/framework/src/android/net/LinkProperties.java
index e41ed72..99f48b4 100644
--- a/packages/Connectivity/framework/src/android/net/LinkProperties.java
+++ b/packages/Connectivity/framework/src/android/net/LinkProperties.java
@@ -686,8 +686,8 @@
     }
 
     /**
-     * Adds a {@link RouteInfo} to this {@code LinkProperties}, if a {@link RouteInfo}
-     * with the same {@link RouteInfo.RouteKey} with different properties
+     * Adds a {@link RouteInfo} to this {@code LinkProperties}. If there is a {@link RouteInfo}
+     * with the same destination, gateway and interface with different properties
      * (e.g., different MTU), it will be updated. If the {@link RouteInfo} had an
      * interface name set and that differs from the interface set for this
      * {@code LinkProperties} an {@link IllegalArgumentException} will be thrown.
diff --git a/packages/SettingsLib/ActionBarShadow/lint-baseline.xml b/packages/SettingsLib/ActionBarShadow/lint-baseline.xml
new file mode 100644
index 0000000..4d5de5f
--- /dev/null
+++ b/packages/SettingsLib/ActionBarShadow/lint-baseline.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.view.View#setOnScrollChangeListener`"
+        errorLine1="            mScrollView.setOnScrollChangeListener(mScrollChangeWatcher);"
+        errorLine2="                        ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ActionBarShadow/src/com/android/settingslib/widget/ActionBarShadowController.java"
+            line="81"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.view.View#setOnScrollChangeListener`"
+        errorLine1="        mScrollView.setOnScrollChangeListener(null);"
+        errorLine2="                    ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ActionBarShadow/src/com/android/settingslib/widget/ActionBarShadowController.java"
+            line="88"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level 23 (current min is 21): `android.view.View.OnScrollChangeListener`"
+        errorLine1="    final class ScrollChangeWatcher implements View.OnScrollChangeListener {"
+        errorLine2="                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ActionBarShadow/src/com/android/settingslib/widget/ActionBarShadowController.java"
+            line="95"
+            column="48"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/ActionButtonsPreference/lint-baseline.xml b/packages/SettingsLib/ActionButtonsPreference/lint-baseline.xml
new file mode 100644
index 0000000..a19f7af
--- /dev/null
+++ b/packages/SettingsLib/ActionButtonsPreference/lint-baseline.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="`android:Widget.DeviceDefault.Button.Borderless.Colored` requires API level 28 (current min is 21)"
+        errorLine1="    &lt;style name=&quot;SettingsActionButton&quot; parent=&quot;android:Widget.DeviceDefault.Button.Borderless.Colored&quot;>"
+        errorLine2="                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ActionButtonsPreference/res/values/styles.xml"
+            line="19"
+            column="40"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`android:drawableTint` requires API level 23 (current min is 21)"
+        errorLine1="        &lt;item name=&quot;android:drawableTint&quot;>@*android:color/btn_colored_borderless_text_material&lt;/item>"
+        errorLine2="              ~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ActionButtonsPreference/res/values/styles.xml"
+            line="21"
+            column="15"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/AdaptiveIcon/lint-baseline.xml b/packages/SettingsLib/AdaptiveIcon/lint-baseline.xml
new file mode 100644
index 0000000..01a0495
--- /dev/null
+++ b/packages/SettingsLib/AdaptiveIcon/lint-baseline.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.res.Resources#getColor`"
+        errorLine1="                                .getColor(colorRes, null /* theme */);"
+        errorLine2="                                 ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveIcon.java"
+            line="75"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getColor`"
+        errorLine1="        setBackgroundColor(context.getColor(R.color.homepage_generic_icon_background));"
+        errorLine2="                                   ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveIcon.java"
+            line="87"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level 23 (current min is 21): `android.graphics.drawable.DrawableWrapper`"
+        errorLine1="public class AdaptiveOutlineDrawable extends DrawableWrapper {"
+        errorLine2="                                             ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveOutlineDrawable.java"
+            line="46"
+            column="46"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.graphics.drawable.DrawableWrapper`"
+        errorLine1="        super(new AdaptiveIconShapeDrawable(resources));"
+        errorLine2="        ~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveOutlineDrawable.java"
+            line="67"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.graphics.drawable.DrawableWrapper`"
+        errorLine1="        super(new AdaptiveIconShapeDrawable(resources));"
+        errorLine2="        ~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveOutlineDrawable.java"
+            line="74"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.graphics.drawable.DrawableWrapper#getDrawable`"
+        errorLine1="        getDrawable().setTint(Color.WHITE);"
+        errorLine2="        ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveOutlineDrawable.java"
+            line="82"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.res.Resources#getColor`"
+        errorLine1="        return resources.getColor(resId, /* theme */ null);"
+        errorLine2="                         ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/AdaptiveIcon/src/com/android/settingslib/widget/AdaptiveOutlineDrawable.java"
+            line="107"
+            column="26"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/BarChartPreference/lint-baseline.xml b/packages/SettingsLib/BarChartPreference/lint-baseline.xml
new file mode 100644
index 0000000..f1043bb
--- /dev/null
+++ b/packages/SettingsLib/BarChartPreference/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="`@android:style/Widget.DeviceDefault.Button.Borderless.Colored` requires API level 28 (current min is 21)"
+        errorLine1="           parent=&quot;@android:style/Widget.DeviceDefault.Button.Borderless.Colored&quot;>"
+        errorLine2="           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/BarChartPreference/res/values/styles.xml"
+            line="35"
+            column="12"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/HelpUtils/lint-baseline.xml b/packages/SettingsLib/HelpUtils/lint-baseline.xml
new file mode 100644
index 0000000..940f027
--- /dev/null
+++ b/packages/SettingsLib/HelpUtils/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 28 (current min is 21): `android.content.pm.PackageInfo#getLongVersionCode`"
+        errorLine1="                sCachedVersionCode = Long.toString(info.getLongVersionCode());"
+        errorLine2="                                                        ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/HelpUtils/src/com/android/settingslib/HelpUtils.java"
+            line="239"
+            column="57"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/ProgressBar/lint-baseline.xml b/packages/SettingsLib/ProgressBar/lint-baseline.xml
new file mode 100644
index 0000000..03d0f3f
--- /dev/null
+++ b/packages/SettingsLib/ProgressBar/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/colorSecondary` requires API level 25 (current min is 21)"
+        errorLine1="        android:background=&quot;?android:attr/colorSecondary&quot; />"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/ProgressBar/res/layout/progress_header.xml"
+            line="27"
+            column="9"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/RestrictedLockUtils/lint-baseline.xml b/packages/SettingsLib/RestrictedLockUtils/lint-baseline.xml
new file mode 100644
index 0000000..173c735
--- /dev/null
+++ b/packages/SettingsLib/RestrictedLockUtils/lint-baseline.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        ComponentName adminComponent = userContext.getSystemService("
+        errorLine2="                                                   ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java"
+            line="59"
+            column="52"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        UserManager um = context.getSystemService(UserManager.class);"
+        errorLine2="                                 ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java"
+            line="101"
+            column="34"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/SettingsSpinner/lint-baseline.xml b/packages/SettingsLib/SettingsSpinner/lint-baseline.xml
new file mode 100644
index 0000000..ae1ed38e
--- /dev/null
+++ b/packages/SettingsLib/SettingsSpinner/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.widget.Spinner`"
+        errorLine1="        super(context, attrs, defStyleAttr, defStyleRes, mode, null);"
+        errorLine2="        ~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/SettingsSpinner/src/com/android/settingslib/widget/settingsspinner/SettingsSpinner.java"
+            line="122"
+            column="9"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/Tile/lint-baseline.xml b/packages/SettingsLib/Tile/lint-baseline.xml
new file mode 100644
index 0000000..2b093dd
--- /dev/null
+++ b/packages/SettingsLib/Tile/lint-baseline.xml
@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `java.lang.Iterable#forEach`"
+        errorLine1="        controllers.forEach(controller -> {"
+        errorLine2="                    ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/SwitchesProvider.java"
+            line="79"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.os.Parcel#readBoolean`"
+        errorLine1="        final boolean isProviderTile = in.readBoolean();"
+        errorLine2="                                          ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/Tile.java"
+            line="83"
+            column="43"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.os.Parcel#writeBoolean`"
+        errorLine1="        dest.writeBoolean(this instanceof ProviderTile);"
+        errorLine2="             ~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/Tile.java"
+            line="102"
+            column="14"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.graphics.drawable.Icon#createWithResource`"
+        errorLine1="            final Icon icon = Icon.createWithResource(componentInfo.packageName, iconResId);"
+        errorLine2="                                   ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/Tile.java"
+            line="314"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.graphics.drawable.Icon#setTint`"
+        errorLine1="                icon.setTint(tintColor);"
+        errorLine2="                     ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/Tile.java"
+            line="320"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.os.Parcel#readBoolean`"
+        errorLine1="            final boolean isProviderTile = source.readBoolean();"
+        errorLine2="                                                  ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/Tile.java"
+            line="364"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.content.Context#getAttributionTag`"
+        errorLine1="            return provider.call(context.getPackageName(), context.getAttributionTag(),"
+        errorLine2="                                                                   ~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Tile/src/com/android/settingslib/drawer/TileUtils.java"
+            line="558"
+            column="68"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/Utils/lint-baseline.xml b/packages/SettingsLib/Utils/lint-baseline.xml
new file mode 100644
index 0000000..93cf3cc
--- /dev/null
+++ b/packages/SettingsLib/Utils/lint-baseline.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        return context.getSystemService(UserManager.class).isManagedProfile(userId)"
+        errorLine2="                       ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/Utils/src/com/android/settingslib/utils/applications/AppUtils.java"
+            line="55"
+            column="24"/>
+    </issue>
+
+</issues>
diff --git a/packages/SettingsLib/lint-baseline.xml b/packages/SettingsLib/lint-baseline.xml
new file mode 100644
index 0000000..403de43
--- /dev/null
+++ b/packages/SettingsLib/lint-baseline.xml
@@ -0,0 +1,4118 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        return mContext.getSystemService(UserManager.class).isAdminUser();"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/development/AbstractEnableAdbPreferenceController.java"
+            line="63"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                mContext.getSystemService(CarrierConfigManager.class);"
+        errorLine2="                         ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="74"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Class requires API level 23 (current min is 21): `android.telephony.CarrierConfigManager`"
+        errorLine1="                mContext.getSystemService(CarrierConfigManager.class);"
+        errorLine2="                                          ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="74"
+            column="43"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.telephony.SubscriptionManager#getDefaultDataSubscriptionId`"
+        errorLine1="        final int subId = SubscriptionManager.getDefaultDataSubscriptionId();"
+        errorLine2="                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
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+            column="47"/>
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.telephony.CarrierConfigManager#getConfigForSubId`"
+        errorLine1="            config = configManager.getConfigForSubId(subId);"
+        errorLine2="                                   ~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="78"
+            column="36"/>
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.os.BaseBundle#getBoolean`"
+        errorLine1="        return config != null &amp;&amp; config.getBoolean("
+        errorLine2="                                        ~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="80"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.telephony.SubscriptionManager#getDefaultDataSubscriptionId`"
+        errorLine1="        final int subId = SubscriptionManager.getDefaultDataSubscriptionId();"
+        errorLine2="                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="106"
+            column="47"/>
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.telephony.SubscriptionManager#isValidSubscriptionId`"
+        errorLine1="        if (!SubscriptionManager.isValidSubscriptionId(subId)) {"
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+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="107"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.telephony.ims.ImsMmTelManager#getRegistrationState`"
+        errorLine1="            imsMmTelManager.getRegistrationState(executors, stateCallback);"
+        errorLine2="                            ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractImsStatusPreferenceController.java"
+            line="116"
+            column="29"/>
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        mCM = context.getSystemService(ConnectivityManager.class);"
+        errorLine2="                      ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractIpAddressPreferenceController.java"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.net.ConnectivityManager#getActiveNetwork`"
+        errorLine1="        LinkProperties prop = cm.getLinkProperties(cm.getActiveNetwork());"
+        errorLine2="                                                      ~~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractIpAddressPreferenceController.java"
+            line="96"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.os.Build#getSerial`"
+        errorLine1="        this(context, Build.getSerial());"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractSerialNumberPreferenceController.java"
+            line="40"
+            column="29"/>
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        return mContext.getSystemService(UserManager.class).isAdminUser()"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractSimStatusImeiInfoPreferenceController.java"
+            line="33"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="        mWifiManager = context.getSystemService(WifiManager.class);"
+        errorLine2="                               ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractWifiMacAddressPreferenceController.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.util.ArraySet`"
+        errorLine1="    private final ArraySet&lt;ScanResult> mScanResults = new ArraySet&lt;>();"
+        errorLine2="                                                      ~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.util.ArraySet`"
+        errorLine1="    private final ArraySet&lt;ScanResult> mExtraScanResults = new ArraySet&lt;>();"
+        errorLine2="                                                           ~~~~~~~~~~~~~~">
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#getUniqueId`"
+        errorLine1="        mPasspointUniqueId = config.getUniqueId();"
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+            line="368"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#getHomeSp`"
+        errorLine1="        mFqdn = config.getHomeSp().getFqdn();"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.wifi.hotspot2.pps.HomeSp#getFqdn`"
+        errorLine1="        mFqdn = config.getHomeSp().getFqdn();"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#getHomeSp`"
+        errorLine1="        mProviderFriendlyName = config.getHomeSp().getFriendlyName();"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.wifi.hotspot2.pps.HomeSp#getFriendlyName`"
+        errorLine1="        mProviderFriendlyName = config.getHomeSp().getFriendlyName();"
+        errorLine2="                                                   ~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
+            line="370"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#getSubscriptionExpirationTimeMillis`"
+        errorLine1="        mSubscriptionExpirationTimeInMillis = config.getSubscriptionExpirationTimeMillis();"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#isOsuProvisioned`"
+        errorLine1="        if (config.isOsuProvisioned()) {"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiConfiguration#getKey`"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiManager#calculateSignalLevel`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiManager#calculateSignalLevel`"
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+    <issue
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiConfiguration#getKey`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isWpa3SaeSupported`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isEnhancedOpenSupported`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.net.wifi.WifiConfiguration#isPasspoint`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiConfiguration#getKey`"
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+    <issue
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+    <issue
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+    <issue
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.net.wifi.WifiConfiguration#isPasspoint`"
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+    <issue
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+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isWpa3SaeSupported`"
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+    <issue
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+    <issue
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+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiManager#calculateSignalLevel`"
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+    <issue
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+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isWpa3SaeSupported`"
+        errorLine1="            return wifiManager.isWpa3SaeSupported() ? SECURITY_SAE : SECURITY_PSK;"
+        errorLine2="                               ~~~~~~~~~~~~~~~~~~">
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isEnhancedOpenSupported`"
+        errorLine1="            return wifiManager.isEnhancedOpenSupported() ? SECURITY_OWE : SECURITY_NONE;"
+        errorLine2="                               ~~~~~~~~~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
+            line="1758"
+            column="32"/>
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.hotspot2.PasspointConfiguration#getUniqueId`"
+        errorLine1="            String uniqueId = passpointConfig.getUniqueId();"
+        errorLine2="                                              ~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiConfiguration#getKey`"
+        errorLine1="                if (TextUtils.equals(config.getKey(), uniqueId)) {"
+        errorLine2="                                            ~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
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+        errorLine2="                                                              ~~~~~~~~~~~~~~~~">
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.util.ArraySet`"
+        errorLine1="            enabledServices = new ArraySet&lt;>(1);"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/accessibility/AccessibilityUtils.java"
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+    <issue
+        id="NewApi"
+        message="Cast from `ArraySet` to `Set` requires API level 23 (current min is 21)"
+        errorLine1="            enabledServices = new ArraySet&lt;>(1);"
+        errorLine2="                              ~~~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/accessibility/AccessibilityUtils.java"
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+    <issue
+        id="NewApi"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/users/AppRestrictionsHelper.java"
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+            column="29"/>
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.content.pm.PackageManager#getModuleInfo`"
+        errorLine1="            pm.getModuleInfo(packageName, 0 /* flags */);"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/applications/AppUtils.java"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
+        message="Class requires API level 26 (current min is 21): `android.app.usage.StorageStatsManager`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.content.pm.PackageManager#getInstalledModules`"
+        errorLine1="        final List&lt;ModuleInfo> moduleInfos = mPm.getInstalledModules(0 /* flags */);"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.content.pm.ModuleInfo#getPackageName`"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.content.pm.ModuleInfo#isHidden`"
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+        errorLine2="                                                           ~~~~~~~~">
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+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.app.usage.StorageStatsManager#queryStatsForPackage`"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
+        message="Field requires API level 26 (current min is 21): `android.content.pm.ApplicationInfo#storageUuid`"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
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+    <issue
+        id="NewApi"
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
+        id="NewApi"
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+    <issue
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+        errorLine2="                                                             ~~~~~~~~">
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+    <issue
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.telephony.SubscriptionManager#from`"
+        errorLine1="            int[] activeSubIds = SubscriptionManager.from(mContext).getActiveSubscriptionIdList();"
+        errorLine2="                                                     ~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.telephony.TelephonyManager#createForSubscriptionId`"
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.telephony.TelephonyManager#setDataEnabled`"
+        errorLine1="        getTelephonyManager().setDataEnabled(enabled);"
+        errorLine2="                              ~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 31 (current min is 21): `android.telephony.TelephonyManager#isDataCapable`"
+        errorLine1="        return getTelephonyManager().isDataCapable()"
+        errorLine2="                                     ~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
+            line="236"
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+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.telephony.TelephonyManager#isDataEnabled`"
+        errorLine1="        return getTelephonyManager().isDataEnabled();"
+        errorLine2="                                     ~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageController.java"
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+    <issue
+        id="NewApi"
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+        errorLine2="                                                          ~~~~~~~~~~~~~~~~">
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+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.telephony.TelephonyManager#getSubscriptionId`"
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+        errorLine2="                                                        ~~~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/net/DataUsageUtils.java"
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+    <issue
+        id="NewApi"
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+    <issue
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+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.telephony.SubscriptionInfo#getSubscriptionId`"
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+    <issue
+        id="NewApi"
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+    <issue
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+        errorLine2="                                                              ~~~~~~~~~~~~~~~~">
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.telephony.SubscriptionInfo#getSubscriptionId`"
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+    <issue
+        id="NewApi"
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+        errorLine2="                                                              ~~~~~~~~~~~~~~~~">
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+    <issue
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+    <issue
+        id="NewApi"
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+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.service.notification.Condition#newId`"
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+    <issue
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+        message="Field requires API level 24 (current min is 21): `android.service.notification.Condition#state`"
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+    <issue
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+        message="Field requires API level 24 (current min is 21): `android.service.notification.Condition#id`"
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+    <issue
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+        message="Call requires API level 24 (current min is 21): `android.service.notification.Condition#newId`"
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+    <issue
+        id="NewApi"
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+        errorLine1="        return new Condition(foreverId, foreverSummary(mContext), &quot;&quot;, &quot;&quot;, 0 /*icon*/,"
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
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+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.os.UserHandle#getUserHandleForUid`"
+        errorLine1="                UserHandle.getUserHandleForUid(appInfo.uid));"
+        errorLine2="                           ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/Utils.java"
+            line="528"
+            column="28"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.net.wifi.WifiConfiguration#isPasspoint`"
+        errorLine1="            if (network.isPasspoint()) {"
+        errorLine2="                        ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiSavedConfigUtils.java"
+            line="46"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.wifi.WifiManager#getPasspointConfigurations`"
+        errorLine1="                    wifiManager.getPasspointConfigurations();"
+        errorLine2="                                ~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiSavedConfigUtils.java"
+            line="57"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.NetworkRequest.Builder#clearCapabilities`"
+        errorLine1="            .clearCapabilities()"
+        errorLine2="             ~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="60"
+            column="14"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.NetworkCapabilities#getTransportInfo`"
+        errorLine1="            WifiInfo wifiInfo = (WifiInfo) networkCapabilities.getTransportInfo();"
+        errorLine2="                                                               ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="69"
+            column="64"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `TransportInfo` to `WifiInfo` requires API level 29 (current min is 21)"
+        errorLine1="            WifiInfo wifiInfo = (WifiInfo) networkCapabilities.getTransportInfo();"
+        errorLine2="                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="69"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.ConnectivityManager#registerNetworkCallback`"
+        errorLine1="            mConnectivityManager.registerNetworkCallback("
+        errorLine2="                                 ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="134"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.ConnectivityManager#registerDefaultNetworkCallback`"
+        errorLine1="            mConnectivityManager.registerDefaultNetworkCallback(mDefaultNetworkCallback, mHandler);"
+        errorLine2="                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="136"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiInfo#getPasspointProviderFriendlyName`"
+        errorLine1="                    ssid = mWifiInfo.getPasspointProviderFriendlyName();"
+        errorLine2="                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="164"
+            column="38"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiInfo#getPasspointProviderFriendlyName`"
+        errorLine1="                ssid = mWifiInfo.getPasspointProviderFriendlyName();"
+        errorLine2="                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="192"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiManager#calculateSignalLevel`"
+        errorLine1="        level = mWifiManager.calculateSignalLevel(rssi);"
+        errorLine2="                             ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiStatusTracker.java"
+            line="208"
+            column="30"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.util.ArraySet`"
+        errorLine1="    private final Set&lt;NetworkKey> mRequestedScores = new ArraySet&lt;>();"
+        errorLine2="                                                     ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="147"
+            column="54"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(WifiManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="208"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(ConnectivityManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="209"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(NetworkScoreManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="210"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(WifiManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="219"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(ConnectivityManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="220"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `android.content.Context#getSystemService`"
+        errorLine1="                context.getSystemService(NetworkScoreManager.class),"
+        errorLine2="                        ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="221"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.NetworkRequest.Builder#clearCapabilities`"
+        errorLine1="                .clearCapabilities()"
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+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="243"
+            column="18"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 26 (current min is 21): `android.net.ConnectivityManager#registerNetworkCallback`"
+        errorLine1="            mConnectivityManager.registerNetworkCallback("
+        errorLine2="                                 ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="348"
+            column="34"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 23 (current min is 21): `new android.util.ArraySet`"
+        errorLine1="        Set&lt;String> seenFQDNs = new ArraySet&lt;>();"
+        errorLine2="                                ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="688"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `ArraySet` to `Set` requires API level 23 (current min is 21)"
+        errorLine1="        Set&lt;String> seenFQDNs = new ArraySet&lt;>();"
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+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="688"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isEnhancedOpenSupported`"
+        errorLine1="        final boolean isOweSupported = mWifiManager.isEnhancedOpenSupported();"
+        errorLine2="                                                    ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="1116"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isWpa3SaeSupported`"
+        errorLine1="        final boolean isSaeSupported = mWifiManager.isWpa3SaeSupported();"
+        errorLine2="                                                    ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="1117"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 21): `android.net.wifi.WifiManager#isWpa3SuiteBSupported`"
+        errorLine1="        final boolean isSuiteBSupported = mWifiManager.isWpa3SuiteBSupported();"
+        errorLine2="                                                       ~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTracker.java"
+            line="1118"
+            column="56"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 21): `android.net.wifi.WifiInfo#getWifiStandard`"
+        errorLine1="            visibility.append(&quot; standard = &quot;).append(info.getWifiStandard());"
+        errorLine2="                                                          ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/wifi/WifiUtils.java"
+            line="103"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 24 (current min is 21): `android.service.notification.Condition#line1`"
+        errorLine1="                radioContentText = condition.line1;"
+        errorLine2="                                   ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/notification/ZenDurationDialog.java"
+            line="285"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.view.View#setAccessibilityTraversalAfter`"
+        errorLine1="                radio.setAccessibilityTraversalAfter(lastView.getId());"
+        errorLine2="                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/notification/ZenRadioLayout.java"
+            line="54"
+            column="23"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 22 (current min is 21): `android.view.View#setAccessibilityTraversalAfter`"
+        errorLine1="            if (contentClick != null) contentClick.setAccessibilityTraversalAfter(radio.getId());"
+        errorLine2="                                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/notification/ZenRadioLayout.java"
+            line="57"
+            column="52"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat#getInstance`"
+        errorLine1="        TimeZoneFormat tzFormatter = TimeZoneFormat.getInstance(locale);"
+        errorLine2="                                                    ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="99"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames#getInstance`"
+        errorLine1="        TimeZoneNames timeZoneNames = TimeZoneNames.getInstance(locale);"
+        errorLine2="                                                    ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="101"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames#getInstance`"
+        errorLine1="        final TimeZoneNames timeZoneNames = TimeZoneNames.getInstance(locale);"
+        errorLine2="                                                          ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="114"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.util.TimeZone#getCanonicalID`"
+        errorLine1="            String canonicalZoneId = android.icu.util.TimeZone.getCanonicalID(tz.getID());"
+        errorLine2="                                                               ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="222"
+            column="64"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames#getExemplarLocationName`"
+        errorLine1="            displayName = timeZoneNames.getExemplarLocationName(canonicalZoneId);"
+        errorLine2="                                        ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="226"
+            column="41"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames.NameType#LONG_DAYLIGHT`"
+        errorLine1="                tz.inDaylightTime(now) ? TimeZoneNames.NameType.LONG_DAYLIGHT"
+        errorLine2="                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="242"
+            column="42"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames.NameType#LONG_STANDARD`"
+        errorLine1="                        : TimeZoneNames.NameType.LONG_STANDARD;"
+        errorLine2="                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="243"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneNames#getDisplayName`"
+        errorLine1="        return names.getDisplayName(getCanonicalZoneId(tz), nameType, now.getTime());"
+        errorLine2="                     ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="244"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.util.TimeZone#getCanonicalID`"
+        errorLine1="        final String canonicalId = android.icu.util.TimeZone.getCanonicalID(id);"
+        errorLine2="                                                             ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="249"
+            column="62"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat#getGMTPattern`"
+        errorLine1="        final String gmtPattern = tzFormatter.getGMTPattern();"
+        errorLine2="                                              ~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="290"
+            column="47"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat.GMTOffsetPatternType#NEGATIVE_HM`"
+        errorLine1="            patternType = TimeZoneFormat.GMTOffsetPatternType.NEGATIVE_HM;"
+        errorLine2="                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="312"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat.GMTOffsetPatternType#POSITIVE_HM`"
+        errorLine1="            patternType = TimeZoneFormat.GMTOffsetPatternType.POSITIVE_HM;"
+        errorLine2="                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="314"
+            column="27"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat#getGMTOffsetPattern`"
+        errorLine1="        final String gmtOffsetPattern = tzFormatter.getGMTOffsetPattern(patternType);"
+        errorLine2="                                                    ~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="316"
+            column="53"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat#getGMTOffsetDigits`"
+        errorLine1="        final String localizedDigits = tzFormatter.getGMTOffsetDigits();"
+        errorLine2="                                                   ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="317"
+            column="52"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 24 (current min is 21): `android.icu.text.TimeZoneFormat#getInstance`"
+        errorLine1="            final TimeZoneFormat tzFormatter = TimeZoneFormat.getInstance(locale);"
+        errorLine2="                                                              ~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java"
+            line="377"
+            column="63"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/colorError` requires API level 26 (current min is 21)"
+        errorLine1="    &lt;item android:color=&quot;?android:attr/colorError&quot; />"
+        errorLine2="          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
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+            file="frameworks/base/packages/SettingsLib/res/color/batterymeter_plus_color.xml"
+            line="17"
+            column="11"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`@android:id/switch_widget` requires API level 24 (current min is 21)"
+        errorLine1="        android:id=&quot;@android:id/switch_widget&quot;"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/res/layout/restricted_switch_widget.xml"
+            line="26"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogPreferredPadding` requires API level 22 (current min is 21)"
+        errorLine1="        android:paddingStart=&quot;?android:attr/dialogPreferredPadding&quot;"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/res/layout/settings_dialog_title.xml"
+            line="30"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/dialogPreferredPadding` requires API level 22 (current min is 21)"
+        errorLine1="        android:paddingEnd=&quot;?android:attr/dialogPreferredPadding&quot;"
+        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/res/layout/settings_dialog_title.xml"
+            line="31"
+            column="9"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="`?android:attr/colorError` requires API level 26 (current min is 21)"
+        errorLine1="            android:textColor=&quot;?android:attr/colorError&quot;/>"
+        errorLine2="            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SettingsLib/res/layout/zen_mode_turn_on_dialog_container.xml"
+            line="58"
+            column="13"/>
+    </issue>
+
+</issues>
diff --git a/packages/SystemUI/shared/lint-baseline.xml b/packages/SystemUI/shared/lint-baseline.xml
new file mode 100644
index 0000000..8021fbf
--- /dev/null
+++ b/packages/SystemUI/shared/lint-baseline.xml
@@ -0,0 +1,367 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.os.RemoteException#rethrowFromSystemServer`"
+        errorLine1="            throw e.rethrowFromSystemServer();"
+        errorLine2="                    ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java"
+            line="109"
+            column="21"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.graphics.Bitmap#wrapHardwareBuffer`"
+        errorLine1="        return Bitmap.wrapHardwareBuffer(Objects.requireNonNull(buffer), colorSpace);"
+        errorLine2="                      ~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/utilities/BitmapUtil.java"
+            line="84"
+            column="23"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `new android.util.ArraySet`"
+        errorLine1="        mPluginActions = new ArraySet&lt;>(mSharedPrefs.getStringSet(PLUGIN_ACTIONS, null));"
+        errorLine2="                         ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/plugins/PluginPrefs.java"
+            line="41"
+            column="26"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `new android.util.ArraySet`"
+        errorLine1="        return new ArraySet&lt;>(mPluginActions);"
+        errorLine2="               ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/plugins/PluginPrefs.java"
+            line="45"
+            column="16"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 28 (current min is 26): `android.graphics.Bitmap#createBitmap`"
+        errorLine1="        return Bitmap.createBitmap(picture);"
+        errorLine2="                      ~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/view/RecentsTransition.java"
+            line="113"
+            column="23"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl#release`"
+        errorLine1="        leash.mSurfaceControl.release();"
+        errorLine2="                              ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java"
+            line="86"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl#release`"
+        errorLine1="            mStartLeash.release();"
+        errorLine2="                        ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/RemoteAnimationTargetCompat.java"
+            line="88"
+            column="25"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl#isValid`"
+        errorLine1="        return mSurfaceControl != null &amp;&amp; mSurfaceControl.isValid();"
+        errorLine2="                                                          ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceControlCompat.java"
+            line="41"
+            column="59"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.SurfaceControlViewHost#release`"
+        errorLine1="            mSurfaceControlViewHost.release();"
+        errorLine2="                                    ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestReceiver.java"
+            line="61"
+            column="37"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 26): `android.view.SurfaceView#getHostToken`"
+        errorLine1="        bundle.putBinder(KEY_HOST_TOKEN, surfaceView.getHostToken());"
+        errorLine2="                                                     ~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestUtils.java"
+            line="34"
+            column="54"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceView#getSurfaceControl`"
+        errorLine1="        bundle.putParcelable(KEY_SURFACE_CONTROL, surfaceView.getSurfaceControl());"
+        errorLine2="                                                              ~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestUtils.java"
+            line="35"
+            column="63"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `SurfaceControl` to `Parcelable` requires API level 29 (current min is 26)"
+        errorLine1="        bundle.putParcelable(KEY_SURFACE_CONTROL, surfaceView.getSurfaceControl());"
+        errorLine2="                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestUtils.java"
+            line="35"
+            column="51"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl#isValid`"
+        errorLine1="                if (mBarrierSurfaceControl == null || !mBarrierSurfaceControl.isValid()) {"
+        errorLine2="                                                                              ~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SyncRtSurfaceTransactionApplierCompat.java"
+            line="106"
+            column="79"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `new android.view.SurfaceControl.Transaction`"
+        errorLine1="                Transaction t = new Transaction();"
+        errorLine2="                                ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SyncRtSurfaceTransactionApplierCompat.java"
+            line="112"
+            column="33"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#apply`"
+        errorLine1="                t.apply();"
+        errorLine2="                  ~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SyncRtSurfaceTransactionApplierCompat.java"
+            line="119"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#setAlpha`"
+        errorLine1="                t.setAlpha(surface, alpha);"
+        errorLine2="                  ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SyncRtSurfaceTransactionApplierCompat.java"
+            line="361"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#setLayer`"
+        errorLine1="                t.setLayer(surface, layer);"
+        errorLine2="                  ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/SyncRtSurfaceTransactionApplierCompat.java"
+            line="364"
+            column="19"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#origActivity`"
+        errorLine1="            ComponentName sourceComponent = t.origActivity != null"
+        errorLine2="                                            ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="84"
+            column="45"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#origActivity`"
+        errorLine1="                    ? t.origActivity"
+        errorLine2="                      ~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="86"
+            column="23"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#taskId`"
+        errorLine1="            this.id = t.taskId;"
+        errorLine2="                      ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="89"
+            column="23"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#baseIntent`"
+        errorLine1="            this.baseIntent = t.baseIntent;"
+        errorLine2="                              ~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="91"
+            column="31"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#taskDescription`"
+        errorLine1="        ActivityManager.TaskDescription td = taskInfo.taskDescription;"
+        errorLine2="                                             ~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="280"
+            column="46"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#topActivity`"
+        errorLine1="                taskInfo.supportsSplitScreenMultiWindow, isLocked, td, taskInfo.topActivity);"
+        errorLine2="                                                                       ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java"
+            line="284"
+            column="72"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#topActivity`"
+        errorLine1="        return info.topActivity;"
+        errorLine2="               ~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TaskInfoCompat.java"
+            line="42"
+            column="16"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.TaskInfo#taskDescription`"
+        errorLine1="        return info.taskDescription;"
+        errorLine2="               ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TaskInfoCompat.java"
+            line="46"
+            column="16"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Field requires API level 29 (current min is 26): `android.app.ActivityManager.RunningTaskInfo#taskId`"
+        errorLine1="        onTaskMovedToFront(taskInfo.taskId);"
+        errorLine2="                           ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TaskStackChangeListener.java"
+            line="86"
+            column="28"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `new android.view.SurfaceControl.Transaction`"
+        errorLine1="        mTransaction = new Transaction();"
+        errorLine2="                       ~~~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TransactionCompat.java"
+            line="31"
+            column="24"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#apply`"
+        errorLine1="        mTransaction.apply();"
+        errorLine2="                     ~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TransactionCompat.java"
+            line="35"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#setBufferSize`"
+        errorLine1="        mTransaction.setBufferSize(surfaceControl.mSurfaceControl, w, h);"
+        errorLine2="                     ~~~~~~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TransactionCompat.java"
+            line="54"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#setLayer`"
+        errorLine1="        mTransaction.setLayer(surfaceControl.mSurfaceControl, z);"
+        errorLine2="                     ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TransactionCompat.java"
+            line="59"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.view.SurfaceControl.Transaction#setAlpha`"
+        errorLine1="        mTransaction.setAlpha(surfaceControl.mSurfaceControl, alpha);"
+        errorLine2="                     ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/TransactionCompat.java"
+            line="64"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level 29 (current min is 26): `android.content.res.Resources#getFloat`"
+        errorLine1="                .getFloat(Resources.getSystem().getIdentifier("
+        errorLine2="                 ~~~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/WallpaperManagerCompat.java"
+            line="46"
+            column="18"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Cast from `RecordingCanvas` to `Canvas` requires API level 29 (current min is 26)"
+        errorLine1="            WindowCallbacksCompat.this.onPostDraw(canvas);"
+        errorLine2="                                                  ~~~~~~">
+        <location
+            file="frameworks/base/packages/SystemUI/shared/src/com/android/systemui/shared/system/WindowCallbacksCompat.java"
+            line="59"
+            column="51"/>
+    </issue>
+
+</issues>
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index efb3768..a39f8f6 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -616,7 +616,9 @@
     }
 
     private static IDnsResolver getDnsResolver(Context context) {
-        return IDnsResolver.Stub.asInterface(DnsResolverServiceManager.getService(context));
+        final DnsResolverServiceManager dsm = context.getSystemService(
+                DnsResolverServiceManager.class);
+        return IDnsResolver.Stub.asInterface(dsm.getService());
     }
 
     /** Handler thread used for all of the handlers below. */
@@ -6142,6 +6144,7 @@
     @Override
     public int registerNetworkProvider(Messenger messenger, String name) {
         enforceNetworkFactoryOrSettingsPermission();
+        Objects.requireNonNull(messenger, "messenger must be non-null");
         NetworkProviderInfo npi = new NetworkProviderInfo(name, messenger,
                 nextNetworkProviderId(), () -> unregisterNetworkProvider(messenger));
         mHandler.sendMessage(mHandler.obtainMessage(EVENT_REGISTER_NETWORK_PROVIDER, npi));
@@ -9074,6 +9077,7 @@
     @Override
     public void unregisterConnectivityDiagnosticsCallback(
             @NonNull IConnectivityDiagnosticsCallback callback) {
+        Objects.requireNonNull(callback, "callback must be non-null");
         mConnectivityDiagnosticsHandler.sendMessage(
                 mConnectivityDiagnosticsHandler.obtainMessage(
                         ConnectivityDiagnosticsHandler
@@ -9444,6 +9448,7 @@
      */
     @Override
     public void unregisterQosCallback(@NonNull final IQosCallback callback) {
+        Objects.requireNonNull(callback, "callback must be non-null");
         mQosCallbackTracker.unregisterCallback(callback);
     }
 
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index e47b4b7..d9ecdda 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -2370,11 +2370,12 @@
      * Send a notification to registrants that the configs of physical channel has changed for
      * a particular subscription.
      *
+     * @param phoneId the phone id.
      * @param subId the subId
      * @param configs a list of {@link PhysicalChannelConfig}, the configs of physical channel.
      */
-    public void notifyPhysicalChannelConfigForSubscriber(
-            int subId, List<PhysicalChannelConfig> configs) {
+    public void notifyPhysicalChannelConfigForSubscriber(int phoneId, int subId,
+            List<PhysicalChannelConfig> configs) {
         if (!checkNotifyPermission("notifyPhysicalChannelConfig()")) {
             return;
         }
@@ -2386,7 +2387,6 @@
         }
 
         synchronized (mRecords) {
-            int phoneId = SubscriptionManager.getPhoneId(subId);
             if (validatePhoneId(phoneId)) {
                 mPhysicalChannelConfigs.set(phoneId, configs);
                 for (Record r : mRecords) {
diff --git a/services/core/java/com/android/server/locksettings/LockSettingsService.java b/services/core/java/com/android/server/locksettings/LockSettingsService.java
index 14d9d85..ca5f7b3 100644
--- a/services/core/java/com/android/server/locksettings/LockSettingsService.java
+++ b/services/core/java/com/android/server/locksettings/LockSettingsService.java
@@ -1259,7 +1259,8 @@
         return getCredentialTypeInternal(userId) != CREDENTIAL_TYPE_NONE;
     }
 
-    private void setKeystorePassword(byte[] password, int userHandle) {
+    @VisibleForTesting /** Note: this method is overridden in unit tests */
+    void setKeystorePassword(byte[] password, int userHandle) {
         AndroidKeyStoreMaintenance.onUserPasswordChanged(userHandle, password);
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
index 1db5fcc..41562bb 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/LockSettingsServiceTestable.java
@@ -208,4 +208,9 @@
             parcel.recycle();
         }
     }
-}
+
+    @Override
+    void setKeystorePassword(byte[] password, int userHandle) {
+
+    }
+}
\ No newline at end of file
diff --git a/services/tests/servicestests/src/com/android/server/locksettings/MockLockSettingsContext.java b/services/tests/servicestests/src/com/android/server/locksettings/MockLockSettingsContext.java
index 2b9a05c..efa1b04 100644
--- a/services/tests/servicestests/src/com/android/server/locksettings/MockLockSettingsContext.java
+++ b/services/tests/servicestests/src/com/android/server/locksettings/MockLockSettingsContext.java
@@ -20,11 +20,16 @@
 import android.app.NotificationManager;
 import android.app.admin.DevicePolicyManager;
 import android.app.trust.TrustManager;
+import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.ContextWrapper;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.hardware.face.FaceManager;
 import android.hardware.fingerprint.FingerprintManager;
+import android.os.Handler;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
 
@@ -94,4 +99,11 @@
     public int checkCallingOrSelfPermission(String permission) {
         return PackageManager.PERMISSION_GRANTED;
     }
+
+    @Override
+    public Intent registerReceiverAsUser(BroadcastReceiver receiver,
+            UserHandle user, IntentFilter filter, String broadcastPermission,
+            Handler scheduler) {
+        return null;
+    }
 }