diff --git a/core/java/android/hardware/display/DisplayManagerInternal.java b/core/java/android/hardware/display/DisplayManagerInternal.java
index 6c1aa90..75ffcc3 100644
--- a/core/java/android/hardware/display/DisplayManagerInternal.java
+++ b/core/java/android/hardware/display/DisplayManagerInternal.java
@@ -461,6 +461,16 @@
     public abstract void stylusGestureStarted(long eventTime);
 
     /**
+     * Called by {@link com.android.server.wm.ContentRecorder} to verify whether
+     * the display is allowed to mirror primary display's content.
+     * @param displayId the id of the display where we mirror to.
+     * @return true if the mirroring dialog is confirmed (display is enabled), or
+     * {@link com.android.server.display.ExternalDisplayPolicy#ENABLE_ON_CONNECT}
+     * system property is enabled.
+     */
+    public abstract boolean isDisplayReadyForMirroring(int displayId);
+
+    /**
      * Describes the requested power state of the display.
      *
      * This object is intended to describe the general characteristics of the
diff --git a/core/java/android/hardware/input/InputSettings.java b/core/java/android/hardware/input/InputSettings.java
index 177ee6f..061b585 100644
--- a/core/java/android/hardware/input/InputSettings.java
+++ b/core/java/android/hardware/input/InputSettings.java
@@ -24,6 +24,7 @@
 import static com.android.hardware.input.Flags.keyboardA11ySlowKeysFlag;
 import static com.android.hardware.input.Flags.keyboardA11yStickyKeysFlag;
 import static com.android.hardware.input.Flags.keyboardA11yMouseKeys;
+import static com.android.hardware.input.Flags.mouseReverseVerticalScrolling;
 import static com.android.hardware.input.Flags.touchpadTapDragging;
 import static com.android.hardware.input.Flags.touchpadVisualizer;
 import static com.android.input.flags.Flags.enableInputFilterRustImpl;
@@ -363,6 +364,14 @@
     }
 
     /**
+     * Returns true if the feature flag for mouse reverse vertical scrolling is enabled.
+     * @hide
+     */
+    public static boolean isMouseReverseVerticalScrollingFeatureFlagEnabled() {
+        return mouseReverseVerticalScrolling();
+    }
+
+    /**
      * Returns true if the touchpad visualizer is allowed to appear.
      *
      * @param context The application context.
@@ -501,6 +510,45 @@
     }
 
     /**
+     * Whether mouse vertical scrolling is enabled, this applies only to connected mice.
+     *
+     * @param context The application context.
+     * @return Whether the mouse will have its vertical scrolling reversed
+     * (scroll down to move up).
+     *
+     * @hide
+     */
+    public static boolean isMouseReverseVerticalScrollingEnabled(@NonNull Context context) {
+        if (!isMouseReverseVerticalScrollingFeatureFlagEnabled()) {
+            return false;
+        }
+
+        return Settings.System.getIntForUser(context.getContentResolver(),
+                Settings.System.MOUSE_REVERSE_VERTICAL_SCROLLING, 0, UserHandle.USER_CURRENT)
+                != 0;
+    }
+
+    /**
+     * Sets whether the connected mouse will have its vertical scrolling reversed.
+     *
+     * @param context The application context.
+     * @param reverseScrolling Whether reverse scrolling is enabled.
+     *
+     * @hide
+     */
+    @RequiresPermission(Manifest.permission.WRITE_SETTINGS)
+    public static void setMouseReverseVerticalScrolling(@NonNull Context context,
+            boolean reverseScrolling) {
+        if (!isMouseReverseVerticalScrollingFeatureFlagEnabled()) {
+            return;
+        }
+
+        Settings.System.putIntForUser(context.getContentResolver(),
+                Settings.System.MOUSE_REVERSE_VERTICAL_SCROLLING, reverseScrolling ? 1 : 0,
+                UserHandle.USER_CURRENT);
+    }
+
+    /**
      * Whether Accessibility bounce keys feature is enabled.
      *
      * <p>
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 5453c0a..46bb8e2 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6210,6 +6210,15 @@
         public static final String TOUCHPAD_RIGHT_CLICK_ZONE = "touchpad_right_click_zone";
 
         /**
+         * Whether to enable reversed vertical scrolling for connected mice.
+         *
+         * When enabled, scrolling down on the mouse wheel will move the screen up and vice versa.
+         * @hide
+         */
+        public static final String MOUSE_REVERSE_VERTICAL_SCROLLING =
+                "mouse_reverse_vertical_scrolling";
+
+        /**
          * Pointer fill style, specified by
          * {@link android.view.PointerIcon.PointerIconVectorStyleFill} constants.
          *
@@ -6447,6 +6456,7 @@
             PRIVATE_SETTINGS.add(SCREEN_FLASH_NOTIFICATION);
             PRIVATE_SETTINGS.add(SCREEN_FLASH_NOTIFICATION_COLOR);
             PRIVATE_SETTINGS.add(DEFAULT_DEVICE_FONT_SCALE);
+            PRIVATE_SETTINGS.add(MOUSE_REVERSE_VERTICAL_SCROLLING);
         }
 
         /**
diff --git a/core/proto/android/providers/settings/system.proto b/core/proto/android/providers/settings/system.proto
index e795e809..3865ae4 100644
--- a/core/proto/android/providers/settings/system.proto
+++ b/core/proto/android/providers/settings/system.proto
@@ -220,6 +220,14 @@
     }
     optional Touchpad touchpad = 36;
 
+    message Mouse {
+        option (android.msg_privacy).dest = DEST_EXPLICIT;
+
+        optional SettingProto reverse_vertical_scrolling = 1 [ (android.privacy).dest = DEST_AUTOMATIC ];
+    }
+
+    optional Mouse mouse = 38;
+
     optional SettingProto tty_mode = 31 [ (android.privacy).dest = DEST_AUTOMATIC ];
 
     message Vibrate {
@@ -277,5 +285,5 @@
 
     // Please insert fields in alphabetical order and group them into messages
     // if possible (to avoid reaching the method limit).
-    // Next tag = 38;
+    // Next tag = 39;
 }
diff --git a/core/tests/coretests/src/android/app/ActivityManagerTest.java b/core/tests/coretests/src/android/app/ActivityManagerTest.java
index d850f86..85ff846 100644
--- a/core/tests/coretests/src/android/app/ActivityManagerTest.java
+++ b/core/tests/coretests/src/android/app/ActivityManagerTest.java
@@ -60,7 +60,6 @@
     public void testProcState() throws Exception {
         // For the moment mostly want to confirm we don't crash
         assertNotNull(ActivityManager.procStateToString(PROCESS_STATE_SERVICE));
-        assertNotNull(ActivityManager.processStateAmToProto(PROCESS_STATE_SERVICE));
         assertTrue(ActivityManager.isProcStateBackground(PROCESS_STATE_SERVICE));
         assertFalse(ActivityManager.isProcStateCached(PROCESS_STATE_SERVICE));
         assertFalse(ActivityManager.isForegroundService(PROCESS_STATE_SERVICE));
diff --git a/core/tests/coretests/src/android/app/activity/ActivityManagerTest.java b/core/tests/coretests/src/android/app/activity/ActivityManagerTest.java
index b972882..cd52421 100644
--- a/core/tests/coretests/src/android/app/activity/ActivityManagerTest.java
+++ b/core/tests/coretests/src/android/app/activity/ActivityManagerTest.java
@@ -111,12 +111,6 @@
         assertEquals(config.reqKeyboardType, vconfig.keyboard);
         assertEquals(config.reqTouchScreen, vconfig.touchscreen);
         assertEquals(config.reqNavigation, vconfig.navigation);
-        if (vconfig.navigation == Configuration.NAVIGATION_NONAV) {
-            assertNotNull(config.reqInputFeatures & ConfigurationInfo.INPUT_FEATURE_FIVE_WAY_NAV);
-        }
-        if (vconfig.keyboard != Configuration.KEYBOARD_UNDEFINED) {
-            assertNotNull(config.reqInputFeatures & ConfigurationInfo.INPUT_FEATURE_HARD_KEYBOARD);
-        }    
     }
 
     @SmallTest
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
index 5293011..d8b6707 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/wifi/WifiUtilsTest.java
@@ -207,20 +207,6 @@
     }
 
     @Test
-    public void getHotspotIconResource_deviceTypeExists_shouldNotNull() {
-        assertThat(WifiUtils.getHotspotIconResource(NetworkProviderInfo.DEVICE_TYPE_PHONE))
-                .isNotNull();
-        assertThat(WifiUtils.getHotspotIconResource(NetworkProviderInfo.DEVICE_TYPE_TABLET))
-                .isNotNull();
-        assertThat(WifiUtils.getHotspotIconResource(NetworkProviderInfo.DEVICE_TYPE_LAPTOP))
-                .isNotNull();
-        assertThat(WifiUtils.getHotspotIconResource(NetworkProviderInfo.DEVICE_TYPE_WATCH))
-                .isNotNull();
-        assertThat(WifiUtils.getHotspotIconResource(NetworkProviderInfo.DEVICE_TYPE_AUTO))
-                .isNotNull();
-    }
-
-    @Test
     public void testInternetIconInjector_getIcon_returnsCorrectValues() {
         WifiUtils.InternetIconInjector iconInjector = new WifiUtils.InternetIconInjector(mContext);
 
diff --git a/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java b/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
index 2cdd0ae..e1b967b 100644
--- a/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
+++ b/packages/SettingsProvider/src/android/provider/settings/backup/SystemSettings.java
@@ -106,6 +106,7 @@
                 Settings.System.UNREAD_NOTIFICATION_DOT_INDICATOR,
                 Settings.System.AUTO_LAUNCH_MEDIA_CONTROLS,
                 Settings.System.LOCALE_PREFERENCES,
+                Settings.System.MOUSE_REVERSE_VERTICAL_SCROLLING,
                 Settings.System.TOUCHPAD_POINTER_SPEED,
                 Settings.System.TOUCHPAD_NATURAL_SCROLLING,
                 Settings.System.TOUCHPAD_TAP_TO_CLICK,
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
index 2823277..1f51e1a 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/SystemSettingsValidators.java
@@ -221,6 +221,7 @@
                         POINTER_ICON_VECTOR_STYLE_STROKE_END));
         VALIDATORS.put(System.POINTER_SCALE,
                 new InclusiveFloatRangeValidator(DEFAULT_POINTER_SCALE, LARGE_POINTER_SCALE));
+        VALIDATORS.put(System.MOUSE_REVERSE_VERTICAL_SCROLLING, BOOLEAN_VALIDATOR);
         VALIDATORS.put(System.TOUCHPAD_POINTER_SPEED, new InclusiveIntegerRangeValidator(-7, 7));
         VALIDATORS.put(System.TOUCHPAD_NATURAL_SCROLLING, BOOLEAN_VALIDATOR);
         VALIDATORS.put(System.TOUCHPAD_TAP_TO_CLICK, BOOLEAN_VALIDATOR);
diff --git a/packages/SystemUI/TEST_MAPPING b/packages/SystemUI/TEST_MAPPING
index 07a1e63..380344a 100644
--- a/packages/SystemUI/TEST_MAPPING
+++ b/packages/SystemUI/TEST_MAPPING
@@ -148,5 +148,10 @@
     {
       "name": "SystemUIGoogleRobo2RNGTests"
     }
+  ],
+  "imports": [
+    {
+      "path": "cts/tests/tests/multiuser"
+    }
   ]
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepository.kt b/packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepository.kt
index f5cfc8c..e0bf00f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepository.kt
@@ -26,6 +26,7 @@
 import android.net.NetworkCapabilities.TRANSPORT_ETHERNET
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
 import android.net.vcn.VcnTransportInfo
+import android.net.vcn.VcnUtils
 import android.net.wifi.WifiInfo
 import android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID
 import androidx.annotation.ArrayRes
@@ -161,7 +162,9 @@
         defaultNetworkCapabilities
             .map { networkCapabilities ->
                 networkCapabilities?.run {
-                    val subId = (transportInfo as? VcnTransportInfo)?.subId
+                    val subId =
+                        VcnUtils.getSubIdFromVcnCaps(connectivityManager, networkCapabilities)
+
                     // Never return an INVALID_SUBSCRIPTION_ID (-1)
                     if (subId != INVALID_SUBSCRIPTION_ID) {
                         subId
@@ -245,9 +248,9 @@
          * info.
          */
         fun NetworkCapabilities.getMainOrUnderlyingWifiInfo(
-            connectivityManager: ConnectivityManager,
+            connectivityManager: ConnectivityManager
         ): WifiInfo? {
-            val mainWifiInfo = this.getMainWifiInfo()
+            val mainWifiInfo = this.getMainWifiInfo(connectivityManager)
             if (mainWifiInfo != null) {
                 return mainWifiInfo
             }
@@ -264,7 +267,9 @@
             // eventually traced to a wifi or carrier merged connection. So, check those underlying
             // networks for possible wifi information as well. See b/225902574.
             return this.underlyingNetworks?.firstNotNullOfOrNull { underlyingNetwork ->
-                connectivityManager.getNetworkCapabilities(underlyingNetwork)?.getMainWifiInfo()
+                connectivityManager
+                    .getNetworkCapabilities(underlyingNetwork)
+                    ?.getMainWifiInfo(connectivityManager)
             }
         }
 
@@ -272,7 +277,9 @@
          * Checks the network capabilities for wifi info, but does *not* check the underlying
          * networks. See [getMainOrUnderlyingWifiInfo].
          */
-        private fun NetworkCapabilities.getMainWifiInfo(): WifiInfo? {
+        private fun NetworkCapabilities.getMainWifiInfo(
+            connectivityManager: ConnectivityManager
+        ): WifiInfo? {
             // Wifi info can either come from a WIFI Transport, or from a CELLULAR transport for
             // virtual networks like VCN.
             val canHaveWifiInfo =
@@ -286,7 +293,7 @@
                 // [com.android.settingslib.Utils.tryGetWifiInfoForVcn]. It's copied instead of
                 // re-used because it makes the logic here clearer, and because the method will be
                 // removed once this pipeline is fully launched.
-                is VcnTransportInfo -> currentTransportInfo.wifiInfo
+                is VcnTransportInfo -> VcnUtils.getWifiInfoFromVcnCaps(connectivityManager, this)
                 is WifiInfo -> currentTransportInfo
                 else -> null
             }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/clipboardoverlay/ClipboardModelTest.kt b/packages/SystemUI/tests/src/com/android/systemui/clipboardoverlay/ClipboardModelTest.kt
index 85e8ab4..5741d64 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/clipboardoverlay/ClipboardModelTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/clipboardoverlay/ClipboardModelTest.kt
@@ -122,6 +122,7 @@
 
     @Test
     @Throws(IOException::class)
+    @DisableFlags(FLAG_CLIPBOARD_USE_DESCRIPTION_MIMETYPE)
     fun test_imageClipData_loadFailure() {
         whenever(mMockContext.contentResolver).thenReturn(mMockContentResolver)
         whenever(mMockContext.resources).thenReturn(mContext.resources)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/connectivity/NetworkControllerWifiTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/connectivity/NetworkControllerWifiTest.java
index 6febb91..7a579ba 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/connectivity/NetworkControllerWifiTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/connectivity/NetworkControllerWifiTest.java
@@ -58,7 +58,7 @@
     private static final int MIN_RSSI = -100;
     private static final int MAX_RSSI = -55;
     private WifiInfo mWifiInfo = mock(WifiInfo.class);
-    private VcnTransportInfo mVcnTransportInfo = mock(VcnTransportInfo.class);
+    private VcnTransportInfo mVcnTransportInfo = new VcnTransportInfo.Builder().build();
 
     @Before
     public void setUp() throws Exception {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutTest.java
index 59fc0d1..87cda64 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutTest.java
@@ -591,8 +591,8 @@
         ArgumentCaptor<FooterView> captor = ArgumentCaptor.forClass(FooterView.class);
         verify(mStackScroller).setFooterView(captor.capture());
 
-        assertNotNull(captor.getValue().findViewById(R.id.manage_text).hasOnClickListeners());
-        assertNotNull(captor.getValue().findViewById(R.id.dismiss_text).hasOnClickListeners());
+        assertNotNull(captor.getValue().findViewById(R.id.manage_text));
+        assertNotNull(captor.getValue().findViewById(R.id.dismiss_text));
     }
 
     @Test
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/data/repository/prod/MobileConnectionsRepositoryTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/data/repository/prod/MobileConnectionsRepositoryTest.kt
index 328d310..c48898a 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/data/repository/prod/MobileConnectionsRepositoryTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/data/repository/prod/MobileConnectionsRepositoryTest.kt
@@ -136,6 +136,7 @@
     private val wifiLogBuffer = LogBuffer("wifi", maxSize = 100, logcatEchoTracker = mock())
     private val wifiPickerTrackerCallback =
         argumentCaptor<WifiPickerTracker.WifiPickerTrackerCallback>()
+    private val vcnTransportInfo = VcnTransportInfo.Builder().build()
 
     private val testDispatcher = StandardTestDispatcher()
     private val testScope = TestScope(testDispatcher)
@@ -1003,6 +1004,18 @@
             assertThat(latest).isTrue()
         }
 
+    private fun newWifiNetwork(wifiInfo: WifiInfo): Network {
+        val network = mock<Network>()
+        val capabilities =
+            mock<NetworkCapabilities>().also {
+                whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
+                whenever(it.transportInfo).thenReturn(wifiInfo)
+            }
+        whenever(connectivityManager.getNetworkCapabilities(network)).thenReturn(capabilities)
+
+        return network
+    }
+
     /** Regression test for b/272586234. */
     @Test
     fun hasCarrierMergedConnection_carrierMergedViaWifiWithVcnTransport_isTrue() =
@@ -1012,10 +1025,12 @@
                     whenever(this.isCarrierMerged).thenReturn(true)
                     whenever(this.isPrimary).thenReturn(true)
                 }
+            val underlyingWifi = newWifiNetwork(carrierMergedInfo)
             val caps =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                 }
 
             val latest by collectLastValue(underTest.hasCarrierMergedConnection)
@@ -1034,10 +1049,12 @@
                     whenever(this.isCarrierMerged).thenReturn(true)
                     whenever(this.isPrimary).thenReturn(true)
                 }
+            val underlyingWifi = newWifiNetwork(carrierMergedInfo)
             val caps =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                 }
 
             val latest by collectLastValue(underTest.hasCarrierMergedConnection)
@@ -1094,10 +1111,15 @@
                     whenever(this.isCarrierMerged).thenReturn(true)
                     whenever(this.isPrimary).thenReturn(true)
                 }
+
+            // The Wifi network that is under the VCN network
+            val physicalWifiNetwork = newWifiNetwork(carrierMergedInfo)
+
             val underlyingCapabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(physicalWifiNetwork))
                 }
             whenever(connectivityManager.getNetworkCapabilities(underlyingCarrierMergedNetwork))
                 .thenReturn(underlyingCapabilities)
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepositoryImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepositoryImplTest.kt
index 0945742..88f262b 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepositoryImplTest.kt
@@ -23,6 +23,7 @@
 import android.net.NetworkCapabilities.TRANSPORT_ETHERNET
 import android.net.NetworkCapabilities.TRANSPORT_VPN
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
+import android.net.TelephonyNetworkSpecifier
 import android.net.VpnTransportInfo
 import android.net.vcn.VcnTransportInfo
 import android.net.wifi.WifiInfo
@@ -74,6 +75,8 @@
     private val testScope = kosmos.testScope
     private val tunerService = mock<TunerService>()
 
+    private val vcnTransportInfo = VcnTransportInfo.Builder().build()
+
     @Before
     fun setUp() {
         createAndSetRepo()
@@ -343,6 +346,30 @@
             assertThat(latest!!.wifi.isDefault).isTrue()
         }
 
+    private fun newWifiNetwork(wifiInfo: WifiInfo): Network {
+        val network = mock<Network>()
+        val capabilities =
+            mock<NetworkCapabilities>().also {
+                whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
+                whenever(it.transportInfo).thenReturn(wifiInfo)
+            }
+        whenever(connectivityManager.getNetworkCapabilities(network)).thenReturn(capabilities)
+
+        return network
+    }
+
+    private fun newCellNetwork(subId: Int): Network {
+        val network = mock<Network>()
+        val capabilities =
+            mock<NetworkCapabilities>().also {
+                whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
+                whenever(it.networkSpecifier).thenReturn(TelephonyNetworkSpecifier(subId))
+            }
+        whenever(connectivityManager.getNetworkCapabilities(network)).thenReturn(capabilities)
+
+        return network
+    }
+
     @Test
     fun defaultConnections_carrierMergedViaWifiWithVcnTransport_wifiAndCarrierMergedDefault() =
         testScope.runTest {
@@ -350,10 +377,12 @@
 
             val carrierMergedInfo =
                 mock<WifiInfo>().apply { whenever(this.isCarrierMerged).thenReturn(true) }
+            val underlyingWifi = newWifiNetwork(carrierMergedInfo)
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(false)
                     whenever(it.hasTransport(TRANSPORT_ETHERNET)).thenReturn(false)
                 }
@@ -373,10 +402,12 @@
 
             val carrierMergedInfo =
                 mock<WifiInfo>().apply { whenever(this.isCarrierMerged).thenReturn(true) }
+            val underlyingWifi = newWifiNetwork(carrierMergedInfo)
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                     whenever(it.hasTransport(TRANSPORT_ETHERNET)).thenReturn(false)
                     whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(false)
                 }
@@ -561,10 +592,12 @@
             val underlyingCarrierMergedNetwork = mock<Network>()
             val carrierMergedInfo =
                 mock<WifiInfo>().apply { whenever(this.isCarrierMerged).thenReturn(true) }
+            val underlyingWifi = newWifiNetwork(carrierMergedInfo)
             val underlyingCapabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                 }
             whenever(connectivityManager.getNetworkCapabilities(underlyingCarrierMergedNetwork))
                 .thenReturn(underlyingCapabilities)
@@ -645,14 +678,15 @@
     @Test
     fun vcnSubId_tracksVcnTransportInfo() =
         testScope.runTest {
-            val vcnInfo = VcnTransportInfo(SUB_1_ID)
+            val underlyingCell = newCellNetwork(SUB_1_ID)
 
             val latest by collectLastValue(underTest.vcnSubId)
 
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingCell))
                 }
 
             getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
@@ -663,14 +697,15 @@
     @Test
     fun vcnSubId_filersOutInvalid() =
         testScope.runTest {
-            val vcnInfo = VcnTransportInfo(INVALID_SUBSCRIPTION_ID)
+            val underlyingCell = newCellNetwork(INVALID_SUBSCRIPTION_ID)
 
             val latest by collectLastValue(underTest.vcnSubId)
 
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingCell))
                 }
 
             getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
@@ -703,11 +738,12 @@
             val latest by collectLastValue(underTest.vcnSubId)
 
             val wifiInfo = mock<WifiInfo>()
-            val vcnInfo = VcnTransportInfo(wifiInfo)
+            val underlyingWifi = newWifiNetwork(wifiInfo)
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                 }
 
             getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
@@ -721,14 +757,15 @@
             val latest by collectLastValue(underTest.vcnSubId)
 
             val wifiInfo = mock<WifiInfo>()
-            val wifiVcnInfo = VcnTransportInfo(wifiInfo)
-            val sub1VcnInfo = VcnTransportInfo(SUB_1_ID)
-            val sub2VcnInfo = VcnTransportInfo(SUB_2_ID)
+            val underlyingWifi = newWifiNetwork(wifiInfo)
+            val underlyingCell1 = newCellNetwork(SUB_1_ID)
+            val underlyingCell2 = newCellNetwork(SUB_2_ID)
 
             val capabilities =
                 mock<NetworkCapabilities>().also {
                     whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                    whenever(it.transportInfo).thenReturn(wifiVcnInfo)
+                    whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                    whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
                 }
 
             // WIFI VCN info
@@ -738,14 +775,16 @@
 
             // Cellular VCN info with subId 1
             whenever(capabilities.hasTransport(eq(TRANSPORT_CELLULAR))).thenReturn(true)
-            whenever(capabilities.transportInfo).thenReturn(sub1VcnInfo)
+            whenever(capabilities.transportInfo).thenReturn(vcnTransportInfo)
+            whenever(capabilities.underlyingNetworks).thenReturn(listOf(underlyingCell1))
 
             getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
 
             assertThat(latest).isEqualTo(SUB_1_ID)
 
             // Cellular VCN info with subId 2
-            whenever(capabilities.transportInfo).thenReturn(sub2VcnInfo)
+            whenever(capabilities.transportInfo).thenReturn(vcnTransportInfo)
+            whenever(capabilities.underlyingNetworks).thenReturn(listOf(underlyingCell2))
 
             getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
 
@@ -776,11 +815,12 @@
     @Test
     fun getMainOrUnderlyingWifiInfo_vcnWithWifi_hasInfo() {
         val wifiInfo = mock<WifiInfo>()
-        val vcnInfo = VcnTransportInfo(wifiInfo)
+        val underlyingWifi = newWifiNetwork(wifiInfo)
         val capabilities =
             mock<NetworkCapabilities>().also {
                 whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                whenever(it.transportInfo).thenReturn(vcnInfo)
+                whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                whenever(it.underlyingNetworks).thenReturn(listOf(underlyingWifi))
             }
 
         val result = capabilities.getMainOrUnderlyingWifiInfo(connectivityManager)
@@ -860,11 +900,15 @@
     fun getMainOrUnderlyingWifiInfo_cellular_underlyingVcnWithWifi_hasInfo() {
         val wifiInfo = mock<WifiInfo>()
         val underlyingNetwork = mock<Network>()
-        val underlyingVcnInfo = VcnTransportInfo(wifiInfo)
+
+        // The Wifi network that is under the VCN network
+        val physicalWifiNetwork = newWifiNetwork(wifiInfo)
+
         val underlyingWifiCapabilities =
             mock<NetworkCapabilities>().also {
                 whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                whenever(it.transportInfo).thenReturn(underlyingVcnInfo)
+                whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                whenever(it.underlyingNetworks).thenReturn(listOf(physicalWifiNetwork))
             }
         whenever(connectivityManager.getNetworkCapabilities(underlyingNetwork))
             .thenReturn(underlyingWifiCapabilities)
@@ -887,11 +931,15 @@
     @DisableFlags(FLAG_STATUS_BAR_ALWAYS_CHECK_UNDERLYING_NETWORKS)
     fun getMainOrUnderlyingWifiInfo_notCellular_underlyingVcnWithWifi_noInfo() {
         val underlyingNetwork = mock<Network>()
-        val underlyingVcnInfo = VcnTransportInfo(mock<WifiInfo>())
+
+        // The Wifi network that is under the VCN network
+        val physicalWifiNetwork = newWifiNetwork(mock<WifiInfo>())
+
         val underlyingWifiCapabilities =
             mock<NetworkCapabilities>().also {
                 whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
-                whenever(it.transportInfo).thenReturn(underlyingVcnInfo)
+                whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                whenever(it.underlyingNetworks).thenReturn(listOf(physicalWifiNetwork))
             }
         whenever(connectivityManager.getNetworkCapabilities(underlyingNetwork))
             .thenReturn(underlyingWifiCapabilities)
@@ -917,10 +965,15 @@
         val underlyingCarrierMergedNetwork = mock<Network>()
         val carrierMergedInfo =
             mock<WifiInfo>().apply { whenever(this.isCarrierMerged).thenReturn(true) }
+
+        // The Wifi network that is under the VCN network
+        val physicalWifiNetwork = newWifiNetwork(carrierMergedInfo)
+
         val underlyingCapabilities =
             mock<NetworkCapabilities>().also {
                 whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
-                whenever(it.transportInfo).thenReturn(VcnTransportInfo(carrierMergedInfo))
+                whenever(it.transportInfo).thenReturn(vcnTransportInfo)
+                whenever(it.underlyingNetworks).thenReturn(listOf(physicalWifiNetwork))
             }
         whenever(connectivityManager.getNetworkCapabilities(underlyingCarrierMergedNetwork))
             .thenReturn(underlyingCapabilities)
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 2485626..5236b03 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -3629,42 +3629,68 @@
     }
 
     @GuardedBy({"mService", "mProcLock"})
-    private int updateLruProcessInternalLSP(ProcessRecord app, long now, int index,
-            int lruSeq, String what, Object obj, ProcessRecord srcApp) {
+    private int offerLruProcessInternalLSP(ProcessRecord app, long now, String what, Object obj,
+            ProcessRecord srcApp) {
         app.setLastActivityTime(now);
 
         if (app.hasActivitiesOrRecentTasks()) {
             // Don't want to touch dependent processes that are hosting activities.
-            return index;
+            return -1;
         }
 
-        int lrui = mLruProcesses.lastIndexOf(app);
+        final int lrui = mLruProcesses.lastIndexOf(app);
         if (lrui < 0) {
             Slog.wtf(TAG, "Adding dependent process " + app + " not on LRU list: "
                     + what + " " + obj + " from " + srcApp);
-            return index;
         }
+        return lrui;
+    }
 
-        if (lrui >= index) {
-            // Don't want to cause this to move dependent processes *back* in the
-            // list as if they were less frequently used.
-            return index;
-        }
+    /**
+     * This method is called after the indices array is populated by the indices offered by
+     * {@link #offerLruProcessInternalLSP} to actually move the processes to the desired locations
+     * in the LRU list. Since the indices array is a SparseBooleanArray, the indices are sorted
+     * and this allows us to preserve the previous order of the processes relative to each other.
+     * Key of the indices array holds the current index of the process in the LRU list and the value
+     * is a boolean indicating whether the process is an activity process or not. Activity processes
+     * are moved to the nextActivityIndex and non-activity processes are moved to the nextIndex
+     * positions, which are provided by the caller.
+     *
+     * @param indices The indices of the processes to move.
+     * @param nextActivityIndex The next index to insert an activity process.
+     * @param nextIndex The next index to insert a non-activity process.
+     */
+    @GuardedBy({"mService", "mProcLock"})
+    private void completeLruProcessInternalLSP(SparseBooleanArray indices, int nextActivityIndex,
+            int nextIndex) {
+        for (int i = indices.size() - 1; i >= 0; i--) {
+            final int lrui = indices.keyAt(i);
+            if (lrui < 0) {
+                // Rest of the indices are invalid, we can return early.
+                return;
+            }
+            final boolean isActivity = indices.valueAt(i);
+            int index = isActivity ? nextActivityIndex : nextIndex;
 
-        if (lrui >= mLruProcessActivityStart && index < mLruProcessActivityStart) {
-            // Don't want to touch dependent processes that are hosting activities.
-            return index;
-        }
+            if (lrui >= index) {
+                // Don't want to cause this to move dependent processes *back* in the
+                // list as if they were less frequently used.
+                continue;
+            }
 
-        mLruProcesses.remove(lrui);
-        if (index > 0) {
+            final ProcessRecord app = mLruProcesses.remove(lrui);
             index--;
+            if (DEBUG_LRU) Slog.d(TAG_LRU, "Moving dep from " + lrui + " to " + index
+                    + " in LRU list: " + app);
+            mLruProcesses.add(index, app);
+            app.setLruSeq(mLruSeq);
+
+            if (isActivity) {
+                nextActivityIndex = index;
+            } else {
+                nextIndex = index;
+            }
         }
-        if (DEBUG_LRU) Slog.d(TAG_LRU, "Moving dep from " + lrui + " to " + index
-                + " in LRU list: " + app);
-        mLruProcesses.add(index, app);
-        app.setLruSeq(lruSeq);
-        return index;
     }
 
     /**
@@ -4058,6 +4084,15 @@
 
         app.setLruSeq(mLruSeq);
 
+        // Key of the indices array holds the current index of the process in the LRU list and the
+        // value is a boolean indicating whether the process is an activity process or not.
+        // Activity processes will be moved to the nextActivityIndex and non-activity processes will
+        // be moved to the nextIndex positions when completeLruProcessInternalLSP is called.
+        // Since SparseBooleanArray's keys are sorted, we'll be able to keep the existing order of
+        // the processes relative to each other after the move.
+        final SparseBooleanArray indices = new SparseBooleanArray(psr.numberOfConnections()
+                + app.mProviders.numberOfProviderConnections());
+
         // If the app is currently using a content provider or service,
         // bump those processes as well.
         for (int j = psr.numberOfConnections() - 1; j >= 0; j--) {
@@ -4069,16 +4104,12 @@
                     && !cr.binding.service.app.isPersistent()) {
                 if (cr.binding.service.app.mServices.hasClientActivities()) {
                     if (nextActivityIndex >= 0) {
-                        nextActivityIndex = updateLruProcessInternalLSP(cr.binding.service.app,
-                                now,
-                                nextActivityIndex, mLruSeq,
-                                "service connection", cr, app);
+                        indices.append(offerLruProcessInternalLSP(cr.binding.service.app, now,
+                                "service connection", cr, app), true);
                     }
                 } else {
-                    nextIndex = updateLruProcessInternalLSP(cr.binding.service.app,
-                            now,
-                            nextIndex, mLruSeq,
-                            "service connection", cr, app);
+                    indices.append(offerLruProcessInternalLSP(cr.binding.service.app, now,
+                            "service connection", cr, app), false);
                 }
             }
         }
@@ -4086,10 +4117,11 @@
         for (int j = ppr.numberOfProviderConnections() - 1; j >= 0; j--) {
             ContentProviderRecord cpr = ppr.getProviderConnectionAt(j).provider;
             if (cpr.proc != null && cpr.proc.getLruSeq() != mLruSeq && !cpr.proc.isPersistent()) {
-                nextIndex = updateLruProcessInternalLSP(cpr.proc, now, nextIndex, mLruSeq,
-                        "provider reference", cpr, app);
+                indices.append(offerLruProcessInternalLSP(cpr.proc, now,
+                        "provider reference", cpr, app), false);
             }
         }
+        completeLruProcessInternalLSP(indices, nextActivityIndex, nextIndex);
     }
 
     @GuardedBy(anyOf = {"mService", "mProcLock"})
diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index a53b8df..c7a70fa 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -5666,6 +5666,11 @@
                 displayPowerController.stylusGestureStarted(eventTime);
             }
         }
+
+        @Override
+        public boolean isDisplayReadyForMirroring(int displayId) {
+            return mExternalDisplayPolicy.isDisplayReadyForMirroring(displayId);
+        }
     }
 
     class DesiredDisplayModeSpecsObserver
diff --git a/services/core/java/com/android/server/display/ExternalDisplayPolicy.java b/services/core/java/com/android/server/display/ExternalDisplayPolicy.java
index 28a0b28..f34d2cc 100644
--- a/services/core/java/com/android/server/display/ExternalDisplayPolicy.java
+++ b/services/core/java/com/android/server/display/ExternalDisplayPolicy.java
@@ -375,6 +375,54 @@
         }
     }
 
+    boolean isDisplayReadyForMirroring(int displayId) {
+        if (!mFlags.isWaitingConfirmationBeforeMirroringEnabled()) {
+            if (DEBUG) {
+                Slog.d(TAG, "isDisplayReadyForMirroring: mirroring CONFIRMED - "
+                        + " flag 'waiting for confirmation before mirroring' is disabled");
+            }
+            return true;
+        }
+
+        synchronized (mSyncRoot) {
+            if (!mIsBootCompleted) {
+                if (DEBUG) {
+                    Slog.d(TAG, "isDisplayReadyForMirroring: mirroring is not confirmed - "
+                            + "boot is in progress");
+                }
+                return false;
+            }
+
+            var logicalDisplay = mLogicalDisplayMapper.getDisplayLocked(displayId);
+            if (logicalDisplay == null) {
+                if (DEBUG) {
+                    Slog.d(TAG, "isDisplayReadyForMirroring: mirroring is not confirmed - "
+                            + "logicalDisplay is null");
+                }
+                return false;
+            }
+
+            if (!isExternalDisplayLocked(logicalDisplay)) {
+                if (DEBUG) {
+                    Slog.d(TAG, "isDisplayReadyForMirroring: mirroring is not confirmed - "
+                            + "logicalDisplay" + logicalDisplay.getDisplayIdLocked()
+                            + " type is " + logicalDisplay.getDisplayInfoLocked().type);
+                }
+                return false;
+            }
+
+            if (!logicalDisplay.isEnabledLocked()) {
+                if (DEBUG) {
+                    Slog.d(TAG, "isDisplayReadyForMirroring: mirroring is not confirmed - "
+                            + "logicalDisplay is disabled");
+                }
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     private final class SkinThermalStatusObserver extends IThermalEventListener.Stub {
         @Override
         public void notifyThrottling(@NonNull final Temperature temp) {
diff --git a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
index 99ced7f..b2e98bc 100644
--- a/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
+++ b/services/core/java/com/android/server/display/feature/DisplayManagerFlags.java
@@ -217,6 +217,11 @@
             Flags::enableUserRefreshRateForExternalDisplay
     );
 
+    private final FlagState mEnableWaitingConfirmationBeforeMirroring = new FlagState(
+            Flags.FLAG_ENABLE_WAITING_CONFIRMATION_BEFORE_MIRRORING,
+            Flags::enableWaitingConfirmationBeforeMirroring
+    );
+
     private final FlagState mEnableBatteryStatsForAllDisplays = new FlagState(
             Flags.FLAG_ENABLE_BATTERY_STATS_FOR_ALL_DISPLAYS,
             Flags::enableBatteryStatsForAllDisplays
@@ -445,6 +450,14 @@
     }
 
     /**
+      * @return {@code true} if mirroring won't be enabled until boot completes and the user enables
+      * the display.
+      */
+    public boolean isWaitingConfirmationBeforeMirroringEnabled() {
+        return mEnableWaitingConfirmationBeforeMirroring.isEnabled();
+    }
+
+    /**
       * @return {@code true} if battery stats is enabled for all displays, not just the primary
       * display.
       */
@@ -511,6 +524,7 @@
         pw.println(" " + mVirtualDisplayLimit);
         pw.println(" " + mNormalBrightnessForDozeParameter);
         pw.println(" " + mIdleScreenConfigInSubscribingLightSensor);
+        pw.println(" " + mEnableWaitingConfirmationBeforeMirroring);
         pw.println(" " + mEnableBatteryStatsForAllDisplays);
         pw.println(" " + mBlockAutobrightnessChangesOnStylusUsage);
         pw.println(" " + mIsUserRefreshRateForExternalDisplayEnabled);
diff --git a/services/core/java/com/android/server/display/feature/display_flags.aconfig b/services/core/java/com/android/server/display/feature/display_flags.aconfig
index 2f04d9e..df62638 100644
--- a/services/core/java/com/android/server/display/feature/display_flags.aconfig
+++ b/services/core/java/com/android/server/display/feature/display_flags.aconfig
@@ -367,6 +367,17 @@
 }
 
 flag {
+    name: "enable_waiting_confirmation_before_mirroring"
+    namespace: "display_manager"
+    description: "Allow ContentRecorder checking whether user confirmed mirroring after boot"
+    bug: "361698995"
+    is_fixed_read_only: true
+    metadata {
+      purpose: PURPOSE_BUGFIX
+    }
+}
+
+flag {
     name: "enable_battery_stats_for_all_displays"
     namespace: "display_manager"
     description: "Flag to enable battery stats for all displays."
diff --git a/services/core/java/com/android/server/input/InputSettingsObserver.java b/services/core/java/com/android/server/input/InputSettingsObserver.java
index d70bd8b..9df2cb4 100644
--- a/services/core/java/com/android/server/input/InputSettingsObserver.java
+++ b/services/core/java/com/android/server/input/InputSettingsObserver.java
@@ -63,6 +63,9 @@
         mObservers = Map.ofEntries(
                 Map.entry(Settings.System.getUriFor(Settings.System.POINTER_SPEED),
                         (reason) -> updateMousePointerSpeed()),
+                Map.entry(Settings.System.getUriFor(
+                        Settings.System.MOUSE_REVERSE_VERTICAL_SCROLLING),
+                        (reason) -> updateMouseReverseVerticalScrolling()),
                 Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_POINTER_SPEED),
                         (reason) -> updateTouchpadPointerSpeed()),
                 Map.entry(Settings.System.getUriFor(Settings.System.TOUCHPAD_NATURAL_SCROLLING),
@@ -163,6 +166,11 @@
         mNative.setPointerSpeed(constrainPointerSpeedValue(speed));
     }
 
+    private void updateMouseReverseVerticalScrolling() {
+        mNative.setMouseReverseVerticalScrollingEnabled(
+                InputSettings.isMouseReverseVerticalScrollingEnabled(mContext));
+    }
+
     private void updateTouchpadPointerSpeed() {
         mNative.setTouchpadPointerSpeed(
                 constrainPointerSpeedValue(InputSettings.getTouchpadPointerSpeed(mContext)));
diff --git a/services/core/java/com/android/server/input/NativeInputManagerService.java b/services/core/java/com/android/server/input/NativeInputManagerService.java
index 4404d63..1f04dd9 100644
--- a/services/core/java/com/android/server/input/NativeInputManagerService.java
+++ b/services/core/java/com/android/server/input/NativeInputManagerService.java
@@ -127,6 +127,8 @@
 
     void setMousePointerAccelerationEnabled(int displayId, boolean enabled);
 
+    void setMouseReverseVerticalScrollingEnabled(boolean enabled);
+
     void setTouchpadPointerSpeed(int speed);
 
     void setTouchpadNaturalScrollingEnabled(boolean enabled);
@@ -388,6 +390,9 @@
         public native void setMousePointerAccelerationEnabled(int displayId, boolean enabled);
 
         @Override
+        public native void setMouseReverseVerticalScrollingEnabled(boolean enabled);
+
+        @Override
         public native void setTouchpadPointerSpeed(int speed);
 
         @Override
diff --git a/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorage.java b/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorage.java
index c02b103..404c841 100644
--- a/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorage.java
+++ b/services/core/java/com/android/server/locksettings/recoverablekeystore/storage/RecoverySnapshotStorage.java
@@ -19,7 +19,6 @@
 import android.annotation.Nullable;
 import android.os.Environment;
 import android.security.keystore.recovery.KeyChainSnapshot;
-import android.util.Log;
 import android.util.SparseArray;
 
 import com.android.internal.annotations.GuardedBy;
@@ -29,9 +28,11 @@
 import com.android.server.locksettings.recoverablekeystore.serialization
         .KeyChainSnapshotParserException;
 import com.android.server.locksettings.recoverablekeystore.serialization.KeyChainSnapshotSerializer;
+import com.android.server.utils.Slogf;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.security.cert.CertificateEncodingException;
@@ -81,12 +82,14 @@
     public synchronized void put(int uid, KeyChainSnapshot snapshot) {
         mSnapshotByUid.put(uid, snapshot);
 
-        try {
-            writeToDisk(uid, snapshot);
+        File snapshotFile = getSnapshotFile(uid);
+        try (FileOutputStream fileOutputStream = new FileOutputStream(snapshotFile)) {
+            KeyChainSnapshotSerializer.serialize(snapshot, fileOutputStream);
         } catch (IOException | CertificateEncodingException e) {
-            Log.e(TAG,
-                    String.format(Locale.US, "Error persisting snapshot for %d to disk", uid),
-                    e);
+            // If we fail to write the latest snapshot, we should delete any older snapshot that
+            // happens to be around. Otherwise snapshot syncs might end up going 'back in time'.
+            snapshotFile.delete();
+            Slogf.e(TAG, e, "Error persisting snapshot for %d to disk", uid);
         }
     }
 
@@ -100,10 +103,17 @@
             return snapshot;
         }
 
-        try {
-            return readFromDisk(uid);
+        File snapshotFile = getSnapshotFile(uid);
+        try (FileInputStream fileInputStream = new FileInputStream(snapshotFile)) {
+            return KeyChainSnapshotDeserializer.deserialize(fileInputStream);
+        } catch (FileNotFoundException e) {
+            Slogf.i(TAG, "Snapshot for uid %d not found", uid);
+            return null;
         } catch (IOException | KeyChainSnapshotParserException e) {
-            Log.e(TAG, String.format(Locale.US, "Error reading snapshot for %d from disk", uid), e);
+            // If we fail to read the latest snapshot, we should delete it in case it is in some way
+            // corrupted. We can regenerate snapshots anyway.
+            snapshotFile.delete();
+            Slogf.e(TAG, e, "Error reading snapshot for %d from disk", uid);
             return null;
         }
     }
@@ -116,50 +126,6 @@
         getSnapshotFile(uid).delete();
     }
 
-    /**
-     * Writes the snapshot for recovery agent {@code uid} to disk.
-     *
-     * @throws IOException if an IO error occurs writing to disk.
-     */
-    private void writeToDisk(int uid, KeyChainSnapshot snapshot)
-            throws IOException, CertificateEncodingException {
-        File snapshotFile = getSnapshotFile(uid);
-
-        try (
-            FileOutputStream fileOutputStream = new FileOutputStream(snapshotFile)
-        ) {
-            KeyChainSnapshotSerializer.serialize(snapshot, fileOutputStream);
-        } catch (IOException | CertificateEncodingException e) {
-            // If we fail to write the latest snapshot, we should delete any older snapshot that
-            // happens to be around. Otherwise snapshot syncs might end up going 'back in time'.
-            snapshotFile.delete();
-            throw e;
-        }
-    }
-
-    /**
-     * Reads the last snapshot for recovery agent {@code uid} from disk.
-     *
-     * @return The snapshot, or null if none existed.
-     * @throws IOException if an IO error occurs reading from disk.
-     */
-    @Nullable
-    private KeyChainSnapshot readFromDisk(int uid)
-            throws IOException, KeyChainSnapshotParserException {
-        File snapshotFile = getSnapshotFile(uid);
-
-        try (
-            FileInputStream fileInputStream = new FileInputStream(snapshotFile)
-        ) {
-            return KeyChainSnapshotDeserializer.deserialize(fileInputStream);
-        } catch (IOException | KeyChainSnapshotParserException e) {
-            // If we fail to read the latest snapshot, we should delete it in case it is in some way
-            // corrupted. We can regenerate snapshots anyway.
-            snapshotFile.delete();
-            throw e;
-        }
-    }
-
     private File getSnapshotFile(int uid) {
         File folder = getStorageFolder();
         String fileName = getSnapshotFileName(uid);
diff --git a/services/core/java/com/android/server/wm/ContentRecorder.java b/services/core/java/com/android/server/wm/ContentRecorder.java
index bc33946..0b5872b 100644
--- a/services/core/java/com/android/server/wm/ContentRecorder.java
+++ b/services/core/java/com/android/server/wm/ContentRecorder.java
@@ -285,6 +285,11 @@
         }
     }
 
+    private boolean isDisplayReadyForMirroring() {
+        return mDisplayContent.getDisplayInfo().type != Display.TYPE_EXTERNAL
+                || mDisplayContent.mWmService.mDisplayManagerInternal.isDisplayReadyForMirroring(
+                        mDisplayContent.getDisplayId());
+    }
 
     /**
      * Ensure recording does not fall back to the display stack; ensure the recording is stopped
@@ -335,7 +340,7 @@
             return;
         }
 
-        if (mContentRecordingSession.isWaitingForConsent()) {
+        if (mContentRecordingSession.isWaitingForConsent() || !isDisplayReadyForMirroring()) {
             ProtoLog.v(WM_DEBUG_CONTENT_RECORDING, "Content Recording: waiting to record, so do "
                     + "nothing");
             return;
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index efca902..f36e680 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -337,6 +337,7 @@
     int32_t getMousePointerSpeed();
     void setPointerSpeed(int32_t speed);
     void setMousePointerAccelerationEnabled(ui::LogicalDisplayId displayId, bool enabled);
+    void setMouseReverseVerticalScrollingEnabled(bool enabled);
     void setTouchpadPointerSpeed(int32_t speed);
     void setTouchpadNaturalScrollingEnabled(bool enabled);
     void setTouchpadTapToClickEnabled(bool enabled);
@@ -482,6 +483,9 @@
         // True if stylus button reporting through motion events is enabled.
         bool stylusButtonMotionEventsEnabled{true};
 
+        // True if mouse vertical scrolling is reversed.
+        bool mouseReverseVerticalScrollingEnabled{false};
+
         // The touchpad pointer speed, as a number from -7 (slowest) to 7 (fastest).
         int32_t touchpadPointerSpeed{0};
 
@@ -762,6 +766,9 @@
 
         outConfig->defaultPointerDisplayId = mLocked.pointerDisplayId;
 
+        outConfig->mouseReverseVerticalScrollingEnabled =
+                mLocked.mouseReverseVerticalScrollingEnabled;
+
         outConfig->touchpadPointerSpeed = mLocked.touchpadPointerSpeed;
         outConfig->touchpadNaturalScrollingEnabled = mLocked.touchpadNaturalScrollingEnabled;
         outConfig->touchpadTapToClickEnabled = mLocked.touchpadTapToClickEnabled;
@@ -1317,6 +1324,21 @@
     return mLocked.pointerSpeed;
 }
 
+void NativeInputManager::setMouseReverseVerticalScrollingEnabled(bool enabled) {
+    { // acquire lock
+        std::scoped_lock _l(mLock);
+
+        if (mLocked.mouseReverseVerticalScrollingEnabled == enabled) {
+            return;
+        }
+
+        mLocked.mouseReverseVerticalScrollingEnabled = enabled;
+    } // release lock
+
+    mInputManager->getReader().requestRefreshConfiguration(
+            InputReaderConfiguration::Change::MOUSE_SETTINGS);
+}
+
 void NativeInputManager::setPointerSpeed(int32_t speed) {
     { // acquire lock
         std::scoped_lock _l(mLock);
@@ -3002,6 +3024,12 @@
     return static_cast<jint>(im->getInputManager()->getReader().getLastUsedInputDeviceId());
 }
 
+static void nativeSetMouseReverseVerticalScrollingEnabled(JNIEnv* env, jobject nativeImplObj,
+                                                          bool enabled) {
+    NativeInputManager* im = getNativeInputManager(env, nativeImplObj);
+    im->setMouseReverseVerticalScrollingEnabled(enabled);
+}
+
 // ----------------------------------------------------------------------------
 
 static const JNINativeMethod gInputManagerMethods[] = {
@@ -3048,6 +3076,8 @@
         {"setPointerSpeed", "(I)V", (void*)nativeSetPointerSpeed},
         {"setMousePointerAccelerationEnabled", "(IZ)V",
          (void*)nativeSetMousePointerAccelerationEnabled},
+        {"setMouseReverseVerticalScrollingEnabled", "(Z)V",
+         (void*)nativeSetMouseReverseVerticalScrollingEnabled},
         {"setTouchpadPointerSpeed", "(I)V", (void*)nativeSetTouchpadPointerSpeed},
         {"setTouchpadNaturalScrollingEnabled", "(Z)V",
          (void*)nativeSetTouchpadNaturalScrollingEnabled},
diff --git a/services/tests/displayservicetests/src/com/android/server/display/ExternalDisplayPolicyTest.java b/services/tests/displayservicetests/src/com/android/server/display/ExternalDisplayPolicyTest.java
index f728168..782262d 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/ExternalDisplayPolicyTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/ExternalDisplayPolicyTest.java
@@ -18,6 +18,7 @@
 
 import static android.hardware.display.DisplayManagerGlobal.EVENT_DISPLAY_CONNECTED;
 import static android.view.Display.TYPE_EXTERNAL;
+import static android.view.Display.TYPE_INTERNAL;
 
 import static com.google.common.truth.Truth.assertThat;
 
@@ -36,6 +37,7 @@
 import android.os.IThermalService;
 import android.os.RemoteException;
 import android.os.Temperature;
+import android.view.Display;
 import android.view.DisplayInfo;
 
 import androidx.test.filters.SmallTest;
@@ -97,6 +99,8 @@
     @Mock
     private LogicalDisplay mMockedLogicalDisplay;
     @Mock
+    private LogicalDisplay mMockedDefaultDisplay;
+    @Mock
     private DisplayNotificationManager mMockedDisplayNotificationManager;
     @Mock
     private ExternalDisplayStatsService mMockedExternalDisplayStatsService;
@@ -141,6 +145,15 @@
         when(mMockedLogicalDisplay.getDisplayInfoLocked()).thenReturn(mockedLogicalDisplayInfo);
         when(mMockedLogicalDisplayMapper.getDisplayLocked(EXTERNAL_DISPLAY_ID)).thenReturn(
                 mMockedLogicalDisplay);
+
+        // Initialize default logical display
+        when(mMockedDefaultDisplay.getDisplayIdLocked()).thenReturn(Display.DEFAULT_DISPLAY);
+        when(mMockedDefaultDisplay.isEnabledLocked()).thenReturn(true);
+        final var mockedDefaultDisplayInfo = new DisplayInfo();
+        mockedDefaultDisplayInfo.type = TYPE_INTERNAL;
+        when(mMockedDefaultDisplay.getDisplayInfoLocked()).thenReturn(mockedDefaultDisplayInfo);
+        when(mMockedLogicalDisplayMapper.getDisplayLocked(Display.DEFAULT_DISPLAY)).thenReturn(
+                mMockedDefaultDisplay);
     }
 
     @Test
@@ -293,6 +306,52 @@
         verify(mMockedLogicalDisplayMapper, never()).forEachLocked(any());
     }
 
+    @Test
+    public void testMirroringAlwaysConfirmedByUser_flagDisabled() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(false);
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(EXTERNAL_DISPLAY_ID)).isTrue();
+    }
+
+    @Test
+    public void testMirroringConfirmed_afterBootForEnabledDisplay() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(true);
+        mExternalDisplayPolicy.onBootCompleted();
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(EXTERNAL_DISPLAY_ID))
+                .isTrue();
+    }
+
+    @Test
+    public void testMirroringNotConfirmed_afterBootForDisabledDisplay() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(true);
+        mExternalDisplayPolicy.onBootCompleted();
+        when(mMockedLogicalDisplay.isEnabledLocked()).thenReturn(false);
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(EXTERNAL_DISPLAY_ID))
+                .isFalse();
+    }
+
+    @Test
+    public void testMirroringNeverConfirmed_forNonExternalDisplays() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(true);
+        mExternalDisplayPolicy.onBootCompleted();
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(Display.DEFAULT_DISPLAY))
+                .isFalse();
+    }
+
+    @Test
+    public void testMirroringNeverConfirmed_forNonExistingDisplays() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(true);
+        mExternalDisplayPolicy.onBootCompleted();
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(Display.INVALID_DISPLAY))
+                .isFalse();
+    }
+
+    @Test
+    public void testMirroringNeverConfirmed_duringBoot() {
+        when(mMockedFlags.isWaitingConfirmationBeforeMirroringEnabled()).thenReturn(true);
+        assertThat(mExternalDisplayPolicy.isDisplayReadyForMirroring(EXTERNAL_DISPLAY_ID))
+                .isFalse();
+    }
+
     private void setTemperature(final IThermalEventListener thermalEventListener,
             final List<Temperature> temperature) throws RemoteException {
         for (var t : temperature) {
diff --git a/services/tests/displayservicetests/src/com/android/server/display/PersistentDataStoreTest.java b/services/tests/displayservicetests/src/com/android/server/display/PersistentDataStoreTest.java
index 5676a38..6d14065 100644
--- a/services/tests/displayservicetests/src/com/android/server/display/PersistentDataStoreTest.java
+++ b/services/tests/displayservicetests/src/com/android/server/display/PersistentDataStoreTest.java
@@ -459,7 +459,6 @@
         ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
         newInjector.setReadStream(bais);
         newDataStore.loadIfNeeded();
-        assertNotNull(newDataStore.getUserPreferredRefreshRate(testDisplayDevice));
         assertEquals(85.3f, mDataStore.getUserPreferredRefreshRate(testDisplayDevice), 01.f);
         assertEquals(85.3f, newDataStore.getUserPreferredRefreshRate(testDisplayDevice), 0.1f);
     }
diff --git a/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java b/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
index e443696..c51261f 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ContentRecorderTests.java
@@ -52,6 +52,7 @@
 import android.os.IBinder;
 import android.platform.test.annotations.Presubmit;
 import android.view.ContentRecordingSession;
+import android.view.Display;
 import android.view.DisplayInfo;
 import android.view.Gravity;
 import android.view.SurfaceControl;
@@ -93,9 +94,11 @@
     private boolean mHandleAnisotropicDisplayMirroring = false;
 
     @Before public void setUp() {
+        mDisplayInfo.type = Display.TYPE_VIRTUAL;
         MockitoAnnotations.initMocks(this);
 
         doReturn(INVALID_DISPLAY).when(mWm.mDisplayManagerInternal).getDisplayIdToMirror(anyInt());
+        doReturn(false).when(mWm.mDisplayManagerInternal).isDisplayReadyForMirroring(anyInt());
 
         // Skip unnecessary operations of relayout.
         spyOn(mWm.mWindowPlacerLocked);
@@ -163,6 +166,25 @@
     }
 
     @Test
+    public void testUpdateRecording_externalDisplayWithoutUserConfirmation() {
+        mDisplayInfo.type = Display.TYPE_EXTERNAL;
+        defaultInit();
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isFalse();
+    }
+
+    @Test
+    public void testUpdateRecording_externalDisplayWithUserConfirmation() {
+        doReturn(true).when(mWm.mDisplayManagerInternal).isDisplayReadyForMirroring(anyInt());
+        mDisplayInfo.type = Display.TYPE_EXTERNAL;
+        defaultInit();
+        mContentRecorder.setContentRecordingSession(mDisplaySession);
+        mContentRecorder.updateRecording();
+        assertThat(mContentRecorder.isCurrentlyRecording()).isTrue();
+    }
+
+    @Test
     public void testUpdateRecording_display_invalidDisplayIdToMirror() {
         defaultInit();
         ContentRecordingSession session = ContentRecordingSession.createDisplaySession(
diff --git a/services/tests/wmtests/src/com/android/server/wm/DisplayRotationImmersiveAppCompatPolicyTests.java b/services/tests/wmtests/src/com/android/server/wm/DisplayRotationImmersiveAppCompatPolicyTests.java
index 5e8f347..c8fc482 100644
--- a/services/tests/wmtests/src/com/android/server/wm/DisplayRotationImmersiveAppCompatPolicyTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/DisplayRotationImmersiveAppCompatPolicyTests.java
@@ -26,7 +26,6 @@
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
-import static com.android.dx.mockito.inline.extended.ExtendedMockito.spy;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.when;
 
 import static org.junit.Assert.assertFalse;
@@ -73,7 +72,6 @@
         when(mMockWindowState.getRequestedVisibleTypes()).thenReturn(0);
         when(mMockActivityRecord.findMainWindow()).thenReturn(mMockWindowState);
 
-        spy(mDisplayContent);
         doReturn(mMockActivityRecord).when(mDisplayContent).topRunningActivity();
         when(mDisplayContent.getIgnoreOrientationRequest()).thenReturn(true);