diff --git a/Tethering/src/com/android/networkstack/tethering/Tethering.java b/Tethering/src/com/android/networkstack/tethering/Tethering.java
index 2e71fda..4c5bf4e 100644
--- a/Tethering/src/com/android/networkstack/tethering/Tethering.java
+++ b/Tethering/src/com/android/networkstack/tethering/Tethering.java
@@ -1861,6 +1861,7 @@
                 mNotificationUpdater.onUpstreamCapabilitiesChanged(
                         (ns != null) ? ns.networkCapabilities : null);
             }
+            mTetheringMetrics.maybeUpdateUpstreamType(ns);
         }
 
         protected void setUpstreamNetwork(UpstreamNetworkState ns) {
@@ -2090,6 +2091,7 @@
                     mNotificationUpdater.onUpstreamCapabilitiesChanged(null);
                 }
                 mBpfCoordinator.stopPolling();
+                mTetheringMetrics.cleanup();
             }
 
             private boolean updateUpstreamWanted() {
diff --git a/Tethering/src/com/android/networkstack/tethering/metrics/TetheringMetrics.java b/Tethering/src/com/android/networkstack/tethering/metrics/TetheringMetrics.java
index ffcea4e..c181994 100644
--- a/Tethering/src/com/android/networkstack/tethering/metrics/TetheringMetrics.java
+++ b/Tethering/src/com/android/networkstack/tethering/metrics/TetheringMetrics.java
@@ -16,6 +16,13 @@
 
 package com.android.networkstack.tethering.metrics;
 
+import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
+import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
+import static android.net.NetworkCapabilities.TRANSPORT_LOWPAN;
+import static android.net.NetworkCapabilities.TRANSPORT_VPN;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
 import static android.net.TetheringManager.TETHERING_BLUETOOTH;
 import static android.net.TetheringManager.TETHERING_ETHERNET;
 import static android.net.TetheringManager.TETHERING_NCM;
@@ -39,6 +46,8 @@
 import static android.net.TetheringManager.TETHER_ERROR_UNSUPPORTED;
 import static android.net.TetheringManager.TETHER_ERROR_UNTETHER_IFACE_ERROR;
 
+import android.annotation.Nullable;
+import android.net.NetworkCapabilities;
 import android.stats.connectivity.DownstreamType;
 import android.stats.connectivity.ErrorCode;
 import android.stats.connectivity.UpstreamType;
@@ -49,6 +58,11 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
+import com.android.networkstack.tethering.UpstreamNetworkState;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
 /**
  * Collection of utilities for tethering metrics.
  *
@@ -66,21 +80,58 @@
     private static final String SYSTEMUI_PKG_NAME = "com.android.systemui";
     private static final String GMS_PKG_NAME = "com.google.android.gms";
     private final SparseArray<NetworkTetheringReported.Builder> mBuilderMap = new SparseArray<>();
+    private final SparseArray<Long> mDownstreamStartTime = new SparseArray<Long>();
+    private final ArrayList<RecordUpstreamEvent> mUpstreamEventList = new ArrayList<>();
+    private UpstreamType mCurrentUpstream = null;
+    private Long mCurrentUpStreamStartTime = 0L;
 
-    /** Update Tethering stats about caller's package name and downstream type. */
-    public void createBuilder(final int downstreamType, final String callerPkg) {
-        NetworkTetheringReported.Builder statsBuilder =
-                    NetworkTetheringReported.newBuilder();
-        statsBuilder.setDownstreamType(downstreamTypeToEnum(downstreamType))
-                    .setUserType(userTypeToEnum(callerPkg))
-                    .setUpstreamType(UpstreamType.UT_UNKNOWN)
-                    .setErrorCode(ErrorCode.EC_NO_ERROR)
-                    .setUpstreamEvents(UpstreamEvents.newBuilder())
-                    .setDurationMillis(0);
-        mBuilderMap.put(downstreamType, statsBuilder);
+
+    /**
+     * Return the current system time in milliseconds.
+     * @return the current system time in milliseconds.
+     */
+    public long timeNow() {
+        return System.currentTimeMillis();
     }
 
-    /** Update error code of given downstreamType. */
+    private static class RecordUpstreamEvent {
+        public final long mStartTime;
+        public final long mStopTime;
+        public final UpstreamType mUpstreamType;
+
+        RecordUpstreamEvent(final long startTime, final long stopTime,
+                final UpstreamType upstream) {
+            mStartTime = startTime;
+            mStopTime = stopTime;
+            mUpstreamType = upstream;
+        }
+    }
+
+    /**
+     * Creates a |NetworkTetheringReported.Builder| object to update the tethering stats for the
+     * specified downstream type and caller's package name. Initializes the upstream events, error
+     * code, and duration to default values. Sets the start time for the downstream type in the
+     * |mDownstreamStartTime| map.
+     * @param downstreamType The type of downstream connection (e.g. Wifi, USB, Bluetooth).
+     * @param callerPkg The package name of the caller.
+     */
+    public void createBuilder(final int downstreamType, final String callerPkg) {
+        NetworkTetheringReported.Builder statsBuilder = NetworkTetheringReported.newBuilder()
+                .setDownstreamType(downstreamTypeToEnum(downstreamType))
+                .setUserType(userTypeToEnum(callerPkg))
+                .setUpstreamType(UpstreamType.UT_UNKNOWN)
+                .setErrorCode(ErrorCode.EC_NO_ERROR)
+                .setUpstreamEvents(UpstreamEvents.newBuilder())
+                .setDurationMillis(0);
+        mBuilderMap.put(downstreamType, statsBuilder);
+        mDownstreamStartTime.put(downstreamType, timeNow());
+    }
+
+    /**
+     * Update the error code of the given downstream type in the Tethering stats.
+     * @param downstreamType The downstream type whose error code to update.
+     * @param errCode The error code to set.
+     */
     public void updateErrorCode(final int downstreamType, final int errCode) {
         NetworkTetheringReported.Builder statsBuilder = mBuilderMap.get(downstreamType);
         if (statsBuilder == null) {
@@ -90,38 +141,155 @@
         statsBuilder.setErrorCode(errorCodeToEnum(errCode));
     }
 
-    /** Remove Tethering stats.
-     *  If Tethering stats is ready to write then write it before removing.
+    /**
+     * Update the list of upstream types and their duration whenever the current upstream type
+     * changes.
+     * @param ns The UpstreamNetworkState object representing the current upstream network state.
+     */
+    public void maybeUpdateUpstreamType(@Nullable final UpstreamNetworkState ns) {
+        UpstreamType upstream = transportTypeToUpstreamTypeEnum(ns);
+        if (upstream.equals(mCurrentUpstream)) return;
+
+        final long newTime = timeNow();
+        if (mCurrentUpstream != null) {
+            mUpstreamEventList.add(new RecordUpstreamEvent(mCurrentUpStreamStartTime, newTime,
+                    mCurrentUpstream));
+        }
+        mCurrentUpstream = upstream;
+        mCurrentUpStreamStartTime = newTime;
+    }
+
+    /**
+     * Returns the greater of two start times.
+     * @param first the first start time
+     * @param second the second start time
+     * @return the greater start time
+     */
+    private long getGreaterStartTime(long first, long second) {
+        return first > second ? first : second;
+    }
+
+    /**
+     * Updates the upstream events builder with a new upstream event.
+     * @param upstreamEventsBuilder the builder for the upstream events list
+     * @param start the start time of the upstream event
+     * @param stop the stop time of the upstream event
+     * @param upstream the type of upstream type (e.g. Wifi, Cellular, Bluetooth, ...)
+     */
+    private void updateUpstreamEvents(final UpstreamEvents.Builder upstreamEventsBuilder,
+            final long start, final long stop, @Nullable final UpstreamType upstream) {
+        final UpstreamEvent.Builder upstreamEventBuilder = UpstreamEvent.newBuilder()
+                .setUpstreamType(upstream == null ? UpstreamType.UT_NO_NETWORK : upstream)
+                .setDurationMillis(stop - start);
+        upstreamEventsBuilder.addUpstreamEvent(upstreamEventBuilder);
+    }
+
+    /**
+     * Updates the |NetworkTetheringReported.Builder| with relevant upstream events associated with
+     * the downstream event identified by the given downstream start time.
+     *
+     * This method iterates through the list of upstream events and adds any relevant events to a
+     * |UpstreamEvents.Builder|. Upstream events are considered relevant if their stop time is
+     * greater than or equal to the given downstream start time. The method also adds the last
+     * upstream event that occurred up until the current time.
+     *
+     * The resulting |UpstreamEvents.Builder| is then added to the
+     * |NetworkTetheringReported.Builder|, along with the duration of the downstream event
+     * (i.e., stop time minus downstream start time).
+     *
+     * @param statsBuilder the builder for the NetworkTetheringReported message
+     * @param downstreamStartTime the start time of the downstream event to find relevant upstream
+     * events for
+     */
+    private void updateStatsBuilderToWrite(final NetworkTetheringReported.Builder statsBuilder,
+                    final long downstreamStartTime) {
+        UpstreamEvents.Builder upstreamEventsBuilder = UpstreamEvents.newBuilder();
+        for (RecordUpstreamEvent event : mUpstreamEventList) {
+            if (downstreamStartTime > event.mStopTime) continue;
+
+            final long startTime = getGreaterStartTime(downstreamStartTime, event.mStartTime);
+            // Handle completed upstream events.
+            updateUpstreamEvents(upstreamEventsBuilder, startTime, event.mStopTime,
+                    event.mUpstreamType);
+        }
+        final long startTime = getGreaterStartTime(downstreamStartTime, mCurrentUpStreamStartTime);
+        final long stopTime = timeNow();
+        // Handle the last upstream event.
+        updateUpstreamEvents(upstreamEventsBuilder, startTime, stopTime, mCurrentUpstream);
+        statsBuilder.setUpstreamEvents(upstreamEventsBuilder);
+        statsBuilder.setDurationMillis(stopTime - downstreamStartTime);
+    }
+
+    /**
+     * Removes tethering statistics for the given downstream type. If there are any stats to write
+     * for the downstream event associated with the type, they are written before removing the
+     * statistics.
+     *
+     * If the given downstream type does not exist in the map, an error message is logged and the
+     * method returns without doing anything.
+     *
+     * @param downstreamType the type of downstream event to remove statistics for
      */
     public void sendReport(final int downstreamType) {
-        final NetworkTetheringReported.Builder statsBuilder =
-                mBuilderMap.get(downstreamType);
+        final NetworkTetheringReported.Builder statsBuilder = mBuilderMap.get(downstreamType);
         if (statsBuilder == null) {
             Log.e(TAG, "Given downstreamType does not exist, this is a bug!");
             return;
         }
+
+        updateStatsBuilderToWrite(statsBuilder, mDownstreamStartTime.get(downstreamType));
         write(statsBuilder.build());
+
         mBuilderMap.remove(downstreamType);
+        mDownstreamStartTime.remove(downstreamType);
     }
 
-    /** Collect Tethering stats and write metrics data to statsd pipeline. */
+    /**
+     * Collects tethering statistics and writes them to the statsd pipeline. This method takes in a
+     * NetworkTetheringReported object, extracts its fields and uses them to write statistics data
+     * to the statsd pipeline.
+     *
+     * @param reported a NetworkTetheringReported object containing statistics to write
+     */
     @VisibleForTesting
     public void write(@NonNull final NetworkTetheringReported reported) {
-        TetheringStatsLog.write(TetheringStatsLog.NETWORK_TETHERING_REPORTED,
+        final byte[] upstreamEvents = reported.getUpstreamEvents().toByteArray();
+
+        TetheringStatsLog.write(
+                TetheringStatsLog.NETWORK_TETHERING_REPORTED,
                 reported.getErrorCode().getNumber(),
                 reported.getDownstreamType().getNumber(),
                 reported.getUpstreamType().getNumber(),
                 reported.getUserType().getNumber(),
-                null, 0);
+                upstreamEvents,
+                reported.getDurationMillis());
         if (DBG) {
-            Log.d(TAG, "Write errorCode: " + reported.getErrorCode().getNumber()
-                    + ", downstreamType: " + reported.getDownstreamType().getNumber()
-                    + ", upstreamType: " + reported.getUpstreamType().getNumber()
-                    + ", userType: " + reported.getUserType().getNumber());
+            Log.d(
+                    TAG,
+                    "Write errorCode: "
+                    + reported.getErrorCode().getNumber()
+                    + ", downstreamType: "
+                    + reported.getDownstreamType().getNumber()
+                    + ", upstreamType: "
+                    + reported.getUpstreamType().getNumber()
+                    + ", userType: "
+                    + reported.getUserType().getNumber()
+                    + ", upstreamTypes: "
+                    + Arrays.toString(upstreamEvents)
+                    + ", durationMillis: "
+                    + reported.getDurationMillis());
         }
     }
 
-    /** Map {@link TetheringType} to {@link DownstreamType} */
+    /**
+     * Cleans up the variables related to upstream events when tethering is turned off.
+     */
+    public void cleanup() {
+        mUpstreamEventList.clear();
+        mCurrentUpstream = null;
+        mCurrentUpStreamStartTime = 0L;
+    }
+
     private DownstreamType downstreamTypeToEnum(final int ifaceType) {
         switch(ifaceType) {
             case TETHERING_WIFI:
@@ -141,7 +309,6 @@
         }
     }
 
-    /** Map {@link StartTetheringError} to {@link ErrorCode} */
     private ErrorCode errorCodeToEnum(final int lastError) {
         switch(lastError) {
             case TETHER_ERROR_NO_ERROR:
@@ -181,7 +348,6 @@
         }
     }
 
-    /** Map callerPkg to {@link UserType} */
     private UserType userTypeToEnum(final String callerPkg) {
         if (callerPkg.equals(SETTINGS_PKG_NAME)) {
             return UserType.USER_SETTINGS;
@@ -193,4 +359,40 @@
             return UserType.USER_UNKNOWN;
         }
     }
+
+    private UpstreamType transportTypeToUpstreamTypeEnum(final UpstreamNetworkState ns) {
+        final NetworkCapabilities nc = (ns != null) ? ns.networkCapabilities : null;
+        if (nc == null) return UpstreamType.UT_NO_NETWORK;
+
+        final int typeCount = nc.getTransportTypes().length;
+
+        boolean hasCellular = nc.hasTransport(TRANSPORT_CELLULAR);
+        boolean hasWifi = nc.hasTransport(TRANSPORT_WIFI);
+        boolean hasBT = nc.hasTransport(TRANSPORT_BLUETOOTH);
+        boolean hasEthernet = nc.hasTransport(TRANSPORT_ETHERNET);
+        boolean hasVpn = nc.hasTransport(TRANSPORT_VPN);
+        boolean hasWifiAware = nc.hasTransport(TRANSPORT_WIFI_AWARE);
+        boolean hasLopan = nc.hasTransport(TRANSPORT_LOWPAN);
+
+        if (typeCount == 3 && hasCellular && hasWifi && hasVpn) {
+            return UpstreamType.UT_WIFI_CELLULAR_VPN;
+        }
+
+        if (typeCount == 2 && hasVpn) {
+            if (hasCellular) return UpstreamType.UT_CELLULAR_VPN;
+            if (hasWifi) return UpstreamType.UT_WIFI_VPN;
+            if (hasBT) return UpstreamType.UT_BLUETOOTH_VPN;
+            if (hasEthernet) return UpstreamType.UT_ETHERNET_VPN;
+        }
+
+        if (typeCount == 1) {
+            if (hasCellular) return UpstreamType.UT_CELLULAR;
+            if (hasWifi) return UpstreamType.UT_WIFI;
+            if (hasBT) return UpstreamType.UT_BLUETOOTH;
+            if (hasEthernet) return UpstreamType.UT_ETHERNET;
+            if (hasWifiAware) return UpstreamType.UT_WIFI_AWARE;
+            if (hasLopan) return UpstreamType.UT_LOWPAN;
+        }
+        return UpstreamType.UT_UNKNOWN;
+    }
 }
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index adb1590..c15b85e 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -2000,6 +2000,7 @@
         verify(mWifiManager).updateInterfaceIpState(
                 TEST_WLAN_IFNAME, WifiManager.IFACE_IP_MODE_CONFIGURATION_ERROR);
 
+        verify(mTetheringMetrics, times(0)).maybeUpdateUpstreamType(any());
         verify(mTetheringMetrics, times(2)).updateErrorCode(eq(TETHERING_WIFI),
                 eq(TETHER_ERROR_INTERNAL_ERROR));
         verify(mTetheringMetrics, times(2)).sendReport(eq(TETHERING_WIFI));
@@ -3365,6 +3366,7 @@
         verify(mDhcpServer, timeout(DHCPSERVER_START_TIMEOUT_MS).times(1)).startWithCallbacks(
                 any(), any());
         verify(mTetheringMetrics).createBuilder(eq(TETHERING_NCM), anyString());
+        verify(mTetheringMetrics, times(1)).maybeUpdateUpstreamType(any());
 
         // Change the USB tethering function to NCM. Because the USB tethering function was set to
         // RNDIS (the default), tethering is stopped.
@@ -3381,6 +3383,7 @@
         mLooper.dispatchAll();
         ncmResult.assertHasResult();
         verify(mTetheringMetrics, times(2)).createBuilder(eq(TETHERING_NCM), anyString());
+        verify(mTetheringMetrics, times(1)).maybeUpdateUpstreamType(any());
         verify(mTetheringMetrics).updateErrorCode(eq(TETHERING_NCM),
                 eq(TETHER_ERROR_SERVICE_UNAVAIL));
         verify(mTetheringMetrics, times(2)).sendReport(eq(TETHERING_NCM));
diff --git a/Tethering/tests/unit/src/com/android/networkstack/tethering/metrics/TetheringMetricsTest.java b/Tethering/tests/unit/src/com/android/networkstack/tethering/metrics/TetheringMetricsTest.java
index 98c873d..aa2d16c 100644
--- a/Tethering/tests/unit/src/com/android/networkstack/tethering/metrics/TetheringMetricsTest.java
+++ b/Tethering/tests/unit/src/com/android/networkstack/tethering/metrics/TetheringMetricsTest.java
@@ -16,6 +16,13 @@
 
 package com.android.networkstack.tethering.metrics;
 
+import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
+import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
+import static android.net.NetworkCapabilities.TRANSPORT_LOWPAN;
+import static android.net.NetworkCapabilities.TRANSPORT_VPN;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
 import static android.net.TetheringManager.TETHERING_BLUETOOTH;
 import static android.net.TetheringManager.TETHERING_ETHERNET;
 import static android.net.TetheringManager.TETHERING_NCM;
@@ -44,6 +51,7 @@
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
 
+import android.net.NetworkCapabilities;
 import android.stats.connectivity.DownstreamType;
 import android.stats.connectivity.ErrorCode;
 import android.stats.connectivity.UpstreamType;
@@ -52,6 +60,8 @@
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import com.android.networkstack.tethering.UpstreamNetworkState;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -64,46 +74,105 @@
     private static final String SETTINGS_PKG = "com.android.settings";
     private static final String SYSTEMUI_PKG = "com.android.systemui";
     private static final String GMS_PKG = "com.google.android.gms";
-    private TetheringMetrics mTetheringMetrics;
+    private static final long TEST_START_TIME = 1670395936033L;
+    private static final long SECOND_IN_MILLIS = 1_000L;
 
+    private TetheringMetrics mTetheringMetrics;
     private final NetworkTetheringReported.Builder mStatsBuilder =
             NetworkTetheringReported.newBuilder();
 
+    private long mElapsedRealtime;
+
     private class MockTetheringMetrics extends TetheringMetrics {
         @Override
-        public void write(final NetworkTetheringReported reported) { }
+        public void write(final NetworkTetheringReported reported) {}
+        @Override
+        public long timeNow() {
+            return currentTimeMillis();
+        }
+    }
+
+    private long currentTimeMillis() {
+        return TEST_START_TIME + mElapsedRealtime;
+    }
+
+    private void incrementCurrentTime(final long duration) {
+        mElapsedRealtime += duration;
+        mTetheringMetrics.timeNow();
+    }
+
+    private long getElapsedRealtime() {
+        return mElapsedRealtime;
+    }
+
+    private void clearElapsedRealtime() {
+        mElapsedRealtime = 0;
     }
 
     @Before
     public void setUp() throws Exception {
         MockitoAnnotations.initMocks(this);
         mTetheringMetrics = spy(new MockTetheringMetrics());
+        mElapsedRealtime = 0L;
     }
 
-    private void verifyReport(DownstreamType downstream, ErrorCode error, UserType user)
+    private void verifyReport(final DownstreamType downstream, final ErrorCode error,
+            final UserType user, final UpstreamEvents.Builder upstreamEvents, final long duration)
             throws Exception {
         final NetworkTetheringReported expectedReport =
                 mStatsBuilder.setDownstreamType(downstream)
                 .setUserType(user)
                 .setUpstreamType(UpstreamType.UT_UNKNOWN)
                 .setErrorCode(error)
-                .setUpstreamEvents(UpstreamEvents.newBuilder())
-                .setDurationMillis(0)
+                .setUpstreamEvents(upstreamEvents)
+                .setDurationMillis(duration)
                 .build();
         verify(mTetheringMetrics).write(expectedReport);
     }
 
-    private void updateErrorAndSendReport(int downstream, int error) {
+    private void updateErrorAndSendReport(final int downstream, final int error) {
         mTetheringMetrics.updateErrorCode(downstream, error);
         mTetheringMetrics.sendReport(downstream);
     }
 
+    private static NetworkCapabilities buildUpstreamCapabilities(final int[] transports) {
+        final NetworkCapabilities nc = new NetworkCapabilities();
+        for (int type: transports) {
+            nc.addTransportType(type);
+        }
+        return nc;
+    }
+
+    private static UpstreamNetworkState buildUpstreamState(final int... transports) {
+        return new UpstreamNetworkState(
+                null,
+                buildUpstreamCapabilities(transports),
+                null);
+    }
+
+    private void addUpstreamEvent(UpstreamEvents.Builder upstreamEvents,
+            final UpstreamType expectedResult, final long duration) {
+        UpstreamEvent.Builder upstreamEvent = UpstreamEvent.newBuilder()
+                .setUpstreamType(expectedResult)
+                .setDurationMillis(duration);
+        upstreamEvents.addUpstreamEvent(upstreamEvent);
+    }
+
     private void runDownstreamTypesTest(final int type, final DownstreamType expectedResult)
             throws Exception {
         mTetheringMetrics.createBuilder(type, TEST_CALLER_PKG);
+        final long duration = 2 * SECOND_IN_MILLIS;
+        incrementCurrentTime(duration);
+        UpstreamEvents.Builder upstreamEvents = UpstreamEvents.newBuilder();
+        // Set UpstreamType as NO_NETWORK because the upstream type has not been changed.
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_NO_NETWORK, duration);
         updateErrorAndSendReport(type, TETHER_ERROR_NO_ERROR);
-        verifyReport(expectedResult, ErrorCode.EC_NO_ERROR, UserType.USER_UNKNOWN);
+
+        verifyReport(expectedResult, ErrorCode.EC_NO_ERROR, UserType.USER_UNKNOWN,
+                upstreamEvents, getElapsedRealtime());
         reset(mTetheringMetrics);
+        clearElapsedRealtime();
+        mTetheringMetrics.cleanup();
     }
 
     @Test
@@ -119,8 +188,18 @@
     private void runErrorCodesTest(final int errorCode, final ErrorCode expectedResult)
             throws Exception {
         mTetheringMetrics.createBuilder(TETHERING_WIFI, TEST_CALLER_PKG);
+        mTetheringMetrics.maybeUpdateUpstreamType(buildUpstreamState(TRANSPORT_WIFI));
+        final long duration = 2 * SECOND_IN_MILLIS;
+        incrementCurrentTime(duration);
         updateErrorAndSendReport(TETHERING_WIFI, errorCode);
-        verifyReport(DownstreamType.DS_TETHERING_WIFI, expectedResult, UserType.USER_UNKNOWN);
+
+        UpstreamEvents.Builder upstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_WIFI, duration);
+        verifyReport(DownstreamType.DS_TETHERING_WIFI, expectedResult, UserType.USER_UNKNOWN,
+                    upstreamEvents, getElapsedRealtime());
+        reset(mTetheringMetrics);
+        clearElapsedRealtime();
+        mTetheringMetrics.cleanup();
     }
 
     @Test
@@ -151,9 +230,18 @@
     private void runUserTypesTest(final String callerPkg, final UserType expectedResult)
             throws Exception {
         mTetheringMetrics.createBuilder(TETHERING_WIFI, callerPkg);
+        final long duration = 1 * SECOND_IN_MILLIS;
+        incrementCurrentTime(duration);
         updateErrorAndSendReport(TETHERING_WIFI, TETHER_ERROR_NO_ERROR);
-        verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_NO_ERROR, expectedResult);
+
+        UpstreamEvents.Builder upstreamEvents = UpstreamEvents.newBuilder();
+        // Set UpstreamType as NO_NETWORK because the upstream type has not been changed.
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_NO_NETWORK, duration);
+        verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_NO_ERROR, expectedResult,
+                    upstreamEvents, getElapsedRealtime());
         reset(mTetheringMetrics);
+        clearElapsedRealtime();
+        mTetheringMetrics.cleanup();
     }
 
     @Test
@@ -164,22 +252,139 @@
         runUserTypesTest(GMS_PKG, UserType.USER_GMS);
     }
 
+    private void runUpstreamTypesTest(final UpstreamNetworkState ns,
+            final UpstreamType expectedResult) throws Exception {
+        mTetheringMetrics.createBuilder(TETHERING_WIFI, TEST_CALLER_PKG);
+        mTetheringMetrics.maybeUpdateUpstreamType(ns);
+        final long duration = 2 * SECOND_IN_MILLIS;
+        incrementCurrentTime(duration);
+        updateErrorAndSendReport(TETHERING_WIFI, TETHER_ERROR_NO_ERROR);
+
+        UpstreamEvents.Builder upstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(upstreamEvents, expectedResult, duration);
+        verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_NO_ERROR,
+                UserType.USER_UNKNOWN, upstreamEvents, getElapsedRealtime());
+        reset(mTetheringMetrics);
+        clearElapsedRealtime();
+        mTetheringMetrics.cleanup();
+    }
+
+    @Test
+    public void testUpstreamTypes() throws Exception {
+        runUpstreamTypesTest(null , UpstreamType.UT_NO_NETWORK);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_CELLULAR), UpstreamType.UT_CELLULAR);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_WIFI), UpstreamType.UT_WIFI);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_BLUETOOTH), UpstreamType.UT_BLUETOOTH);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_ETHERNET), UpstreamType.UT_ETHERNET);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_WIFI_AWARE), UpstreamType.UT_WIFI_AWARE);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_LOWPAN), UpstreamType.UT_LOWPAN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_CELLULAR, TRANSPORT_VPN),
+                UpstreamType.UT_CELLULAR_VPN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_WIFI, TRANSPORT_VPN),
+                UpstreamType.UT_WIFI_VPN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_BLUETOOTH, TRANSPORT_VPN),
+                UpstreamType.UT_BLUETOOTH_VPN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_ETHERNET, TRANSPORT_VPN),
+                UpstreamType.UT_ETHERNET_VPN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_CELLULAR, TRANSPORT_WIFI, TRANSPORT_VPN),
+                UpstreamType.UT_WIFI_CELLULAR_VPN);
+        runUpstreamTypesTest(buildUpstreamState(TRANSPORT_CELLULAR, TRANSPORT_WIFI, TRANSPORT_VPN,
+                TRANSPORT_BLUETOOTH), UpstreamType.UT_UNKNOWN);
+    }
+
     @Test
     public void testMultiBuildersCreatedBeforeSendReport() throws Exception {
         mTetheringMetrics.createBuilder(TETHERING_WIFI, SETTINGS_PKG);
+        final long wifiTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(1 * SECOND_IN_MILLIS);
         mTetheringMetrics.createBuilder(TETHERING_USB, SYSTEMUI_PKG);
+        final long usbTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(2 * SECOND_IN_MILLIS);
         mTetheringMetrics.createBuilder(TETHERING_BLUETOOTH, GMS_PKG);
-
+        final long bluetoothTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(3 * SECOND_IN_MILLIS);
         updateErrorAndSendReport(TETHERING_WIFI, TETHER_ERROR_DHCPSERVER_ERROR);
+
+        UpstreamEvents.Builder wifiTetheringUpstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(wifiTetheringUpstreamEvents, UpstreamType.UT_NO_NETWORK,
+                currentTimeMillis() - wifiTetheringStartTime);
         verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_DHCPSERVER_ERROR,
-                UserType.USER_SETTINGS);
-
+                UserType.USER_SETTINGS, wifiTetheringUpstreamEvents,
+                currentTimeMillis() - wifiTetheringStartTime);
+        incrementCurrentTime(1 * SECOND_IN_MILLIS);
         updateErrorAndSendReport(TETHERING_USB, TETHER_ERROR_ENABLE_FORWARDING_ERROR);
-        verifyReport(DownstreamType.DS_TETHERING_USB, ErrorCode.EC_ENABLE_FORWARDING_ERROR,
-                UserType.USER_SYSTEMUI);
 
+        UpstreamEvents.Builder usbTetheringUpstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(usbTetheringUpstreamEvents, UpstreamType.UT_NO_NETWORK,
+                currentTimeMillis() - usbTetheringStartTime);
+
+        verifyReport(DownstreamType.DS_TETHERING_USB, ErrorCode.EC_ENABLE_FORWARDING_ERROR,
+                UserType.USER_SYSTEMUI, usbTetheringUpstreamEvents,
+                currentTimeMillis() - usbTetheringStartTime);
+        incrementCurrentTime(1 * SECOND_IN_MILLIS);
         updateErrorAndSendReport(TETHERING_BLUETOOTH, TETHER_ERROR_TETHER_IFACE_ERROR);
+
+        UpstreamEvents.Builder bluetoothTetheringUpstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(bluetoothTetheringUpstreamEvents, UpstreamType.UT_NO_NETWORK,
+                currentTimeMillis() - bluetoothTetheringStartTime);
         verifyReport(DownstreamType.DS_TETHERING_BLUETOOTH, ErrorCode.EC_TETHER_IFACE_ERROR,
-                UserType.USER_GMS);
+                UserType.USER_GMS, bluetoothTetheringUpstreamEvents,
+                currentTimeMillis() - bluetoothTetheringStartTime);
+    }
+
+    @Test
+    public void testUpstreamsWithMultipleDownstreams() throws Exception {
+        mTetheringMetrics.createBuilder(TETHERING_WIFI, SETTINGS_PKG);
+        final long wifiTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(1 * SECOND_IN_MILLIS);
+        mTetheringMetrics.maybeUpdateUpstreamType(buildUpstreamState(TRANSPORT_WIFI));
+        final long wifiUpstreamStartTime = currentTimeMillis();
+        incrementCurrentTime(5 * SECOND_IN_MILLIS);
+        mTetheringMetrics.createBuilder(TETHERING_USB, SYSTEMUI_PKG);
+        final long usbTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(5 * SECOND_IN_MILLIS);
+        updateErrorAndSendReport(TETHERING_USB, TETHER_ERROR_NO_ERROR);
+
+        UpstreamEvents.Builder usbTetheringUpstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(usbTetheringUpstreamEvents, UpstreamType.UT_WIFI,
+                currentTimeMillis() - usbTetheringStartTime);
+        verifyReport(DownstreamType.DS_TETHERING_USB, ErrorCode.EC_NO_ERROR,
+                UserType.USER_SYSTEMUI, usbTetheringUpstreamEvents,
+                currentTimeMillis() - usbTetheringStartTime);
+        incrementCurrentTime(7 * SECOND_IN_MILLIS);
+        updateErrorAndSendReport(TETHERING_WIFI, TETHER_ERROR_NO_ERROR);
+
+        UpstreamEvents.Builder wifiTetheringUpstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(wifiTetheringUpstreamEvents, UpstreamType.UT_WIFI,
+                currentTimeMillis() - wifiUpstreamStartTime);
+        verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_NO_ERROR,
+                UserType.USER_SETTINGS, wifiTetheringUpstreamEvents,
+                currentTimeMillis() - wifiTetheringStartTime);
+    }
+
+    @Test
+    public void testSwitchingMultiUpstreams() throws Exception {
+        mTetheringMetrics.createBuilder(TETHERING_WIFI, SETTINGS_PKG);
+        final long wifiTetheringStartTime = currentTimeMillis();
+        incrementCurrentTime(1 * SECOND_IN_MILLIS);
+        mTetheringMetrics.maybeUpdateUpstreamType(buildUpstreamState(TRANSPORT_WIFI));
+        final long wifiDuration = 5 * SECOND_IN_MILLIS;
+        incrementCurrentTime(wifiDuration);
+        mTetheringMetrics.maybeUpdateUpstreamType(buildUpstreamState(TRANSPORT_BLUETOOTH));
+        final long bluetoothDuration = 15 * SECOND_IN_MILLIS;
+        incrementCurrentTime(bluetoothDuration);
+        mTetheringMetrics.maybeUpdateUpstreamType(buildUpstreamState(TRANSPORT_CELLULAR));
+        final long celltoothDuration = 20 * SECOND_IN_MILLIS;
+        incrementCurrentTime(celltoothDuration);
+        updateErrorAndSendReport(TETHERING_WIFI, TETHER_ERROR_NO_ERROR);
+
+        UpstreamEvents.Builder upstreamEvents = UpstreamEvents.newBuilder();
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_WIFI, wifiDuration);
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_BLUETOOTH, bluetoothDuration);
+        addUpstreamEvent(upstreamEvents, UpstreamType.UT_CELLULAR, celltoothDuration);
+
+        verifyReport(DownstreamType.DS_TETHERING_WIFI, ErrorCode.EC_NO_ERROR,
+                UserType.USER_SETTINGS, upstreamEvents,
+                currentTimeMillis() - wifiTetheringStartTime);
     }
 }
diff --git a/service-t/native/libs/libnetworkstats/NetworkTracePollerTest.cpp b/service-t/native/libs/libnetworkstats/NetworkTracePollerTest.cpp
index 725cec1..df07bbe 100644
--- a/service-t/native/libs/libnetworkstats/NetworkTracePollerTest.cpp
+++ b/service-t/native/libs/libnetworkstats/NetworkTracePollerTest.cpp
@@ -26,6 +26,8 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <chrono>
+#include <thread>
 #include <vector>
 
 #include "netdbpf/NetworkTracePoller.h"
@@ -130,16 +132,21 @@
 
 TEST_F(NetworkTracePollerTest, TraceTcpSession) {
   __be16 server_port = 0;
-  std::vector<PacketTrace> packets;
+  std::vector<PacketTrace> packets, unmatched;
 
   // Record all packets with the bound address and current uid. This callback is
   // involked only within ConsumeAll, at which point the port should have
   // already been filled in and all packets have been processed.
   NetworkTracePoller handler([&](const std::vector<PacketTrace>& pkts) {
     for (const PacketTrace& pkt : pkts) {
-      if (pkt.sport != server_port && pkt.dport != server_port) return;
-      if (pkt.uid != getuid()) return;
-      packets.push_back(pkt);
+      if ((pkt.sport == server_port || pkt.dport == server_port) &&
+          pkt.uid == getuid()) {
+        packets.push_back(pkt);
+      } else {
+        // There may be spurious packets not caused by the test. These are only
+        // captured so that we can report them to help debug certain errors.
+        unmatched.push_back(pkt);
+      }
     }
   });
 
@@ -179,7 +186,13 @@
     EXPECT_EQ(std::string(data), std::string(buff));
   }
 
-  ASSERT_TRUE(handler.ConsumeAll());
+  // Poll until we get all the packets (typically we get it first try).
+  for (int attempt = 0; attempt < 10; attempt++) {
+    ASSERT_TRUE(handler.ConsumeAll());
+    if (packets.size() >= 12) break;
+    std::this_thread::sleep_for(std::chrono::milliseconds(5));
+  }
+
   ASSERT_TRUE(handler.Stop());
 
   // There are 12 packets in total (6 messages: each seen by client & server):
@@ -189,7 +202,9 @@
   // 4. Client sends data with psh ack
   // 5. Server acks the data packet
   // 6. Client closes connection with fin ack
-  ASSERT_EQ(packets.size(), 12) << PacketPrinter{packets};
+  ASSERT_EQ(packets.size(), 12)
+      << PacketPrinter{packets}
+      << "\nUnmatched packets: " << PacketPrinter{unmatched};
 
   // All packets should be TCP packets.
   EXPECT_THAT(packets, Each(Field(&PacketTrace::ipProto, Eq(IPPROTO_TCP))));
diff --git a/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java b/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
index 743f946..1d9a24c 100644
--- a/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
+++ b/service-t/src/com/android/server/connectivity/mdns/MdnsSocketProvider.java
@@ -211,6 +211,12 @@
             tetheringManager.unregisterTetheringEventCallback(mTetheringEventCallback);
 
             mHandler.post(mNetlinkMonitor::stop);
+            // Clear all saved status.
+            mActiveNetworksLinkProperties.clear();
+            mNetworkSockets.clear();
+            mTetherInterfaceSockets.clear();
+            mLocalOnlyInterfaces.clear();
+            mTetheredInterfaces.clear();
             mMonitoringSockets = false;
         }
     }
diff --git a/tests/unit/java/com/android/server/connectivity/mdns/MdnsSocketProviderTest.java b/tests/unit/java/com/android/server/connectivity/mdns/MdnsSocketProviderTest.java
index b9cb255..6e1debe 100644
--- a/tests/unit/java/com/android/server/connectivity/mdns/MdnsSocketProviderTest.java
+++ b/tests/unit/java/com/android/server/connectivity/mdns/MdnsSocketProviderTest.java
@@ -23,6 +23,7 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.doCallRealMethod;
 import static org.mockito.Mockito.doReturn;
@@ -101,7 +102,7 @@
             doCallRealMethod().when(mContext).getSystemService(TetheringManager.class);
         }
         doReturn(true).when(mDeps).canScanOnInterface(any());
-        doReturn(mTestNetworkIfaceWrapper).when(mDeps).getNetworkInterfaceByName(TEST_IFACE_NAME);
+        doReturn(mTestNetworkIfaceWrapper).when(mDeps).getNetworkInterfaceByName(anyString());
         doReturn(mLocalOnlyIfaceWrapper).when(mDeps)
                 .getNetworkInterfaceByName(LOCAL_ONLY_IFACE_NAME);
         doReturn(mTetheredIfaceWrapper).when(mDeps).getNetworkInterfaceByName(TETHERED_IFACE_NAME);
@@ -354,4 +355,55 @@
         verify(mCm, times(2)).unregisterNetworkCallback(any(NetworkCallback.class));
         verify(mTm, times(2)).unregisterTetheringEventCallback(any(TetheringEventCallback.class));
     }
+
+    @Test
+    public void testLinkPropertiesAreClearedAfterStopMonitoringSockets() {
+        startMonitoringSockets();
+
+        // Request a socket with null network.
+        final TestSocketCallback testCallback = new TestSocketCallback();
+        mHandler.post(() -> mSocketProvider.requestSocket(null, testCallback));
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        testCallback.expectedNoCallback();
+
+        // Notify a LinkPropertiesChanged with TEST_NETWORK.
+        final LinkProperties testLp = new LinkProperties();
+        testLp.setInterfaceName(TEST_IFACE_NAME);
+        testLp.setLinkAddresses(List.of(LINKADDRV4));
+        mHandler.post(() -> mNetworkCallback.onLinkPropertiesChanged(TEST_NETWORK, testLp));
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        verify(mTestNetworkIfaceWrapper, times(1)).getNetworkInterface();
+        testCallback.expectedSocketCreatedForNetwork(TEST_NETWORK, List.of(LINKADDRV4));
+
+        // Try to stop monitoring and unrequest the socket.
+        mHandler.post(mSocketProvider::requestStopWhenInactive);
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        mHandler.post(()-> mSocketProvider.unrequestSocket(testCallback));
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        testCallback.expectedInterfaceDestroyedForNetwork(TEST_NETWORK);
+        verify(mCm, times(1)).unregisterNetworkCallback(any(NetworkCallback.class));
+        verify(mTm, times(1)).unregisterTetheringEventCallback(any());
+
+        // Start sockets monitoring and request a socket again. Expected no socket created callback
+        // because all saved LinkProperties has been cleared.
+        mHandler.post(mSocketProvider::startMonitoringSockets);
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        verify(mCm, times(2)).registerNetworkCallback(any(), any(NetworkCallback.class), any());
+        verify(mTm, times(2)).registerTetheringEventCallback(
+                any(), any(TetheringEventCallback.class));
+        mHandler.post(() -> mSocketProvider.requestSocket(null, testCallback));
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        testCallback.expectedNoCallback();
+
+        // Notify a LinkPropertiesChanged with another network.
+        final LinkProperties otherLp = new LinkProperties();
+        final LinkAddress otherAddress = new LinkAddress("192.0.2.1/24");
+        final Network otherNetwork = new Network(456);
+        otherLp.setInterfaceName("test2");
+        otherLp.setLinkAddresses(List.of(otherAddress));
+        mHandler.post(() -> mNetworkCallback.onLinkPropertiesChanged(otherNetwork, otherLp));
+        HandlerUtils.waitForIdle(mHandler, DEFAULT_TIMEOUT);
+        verify(mTestNetworkIfaceWrapper, times(2)).getNetworkInterface();
+        testCallback.expectedSocketCreatedForNetwork(otherNetwork, List.of(otherAddress));
+    }
 }
diff --git a/tools/gn2bp/Android.bp.swp b/tools/gn2bp/Android.bp.swp
index 19901fa..163f8b6 100644
--- a/tools/gn2bp/Android.bp.swp
+++ b/tools/gn2bp/Android.bp.swp
@@ -14,6 +14,8 @@
 //
 // This file is automatically generated by gen_android_bp. Do not edit.
 
+soong_namespace {}
+
 build = ["Android.extras.bp"]
 
 // The actual license can be found in Android.extras.bp
@@ -6581,6 +6583,163 @@
     },
 }
 
+// GN: //components/cronet/android:cronet__testing
+cc_library_shared {
+    name: "cronet_aml_components_cronet_android_cronet__testing",
+    srcs: [
+        ":cronet_aml_buildtools_third_party_libc___libc____testing",
+        ":cronet_aml_buildtools_third_party_libc__abi_libc__abi__testing",
+        ":cronet_aml_components_cronet_android_cronet_static__testing",
+        ":cronet_aml_components_cronet_cronet_common__testing",
+        ":cronet_aml_components_cronet_metrics_util__testing",
+        ":cronet_aml_components_metrics_library_support__testing",
+        "components/cronet/android/cronet_jni.cc",
+    ],
+    shared_libs: [
+        "libandroid",
+        "liblog",
+        "libz",
+    ],
+    static_libs: [
+        "cronet_aml_base_allocator_partition_allocator_partition_alloc__testing",
+        "cronet_aml_base_base__testing",
+        "cronet_aml_base_base_static__testing",
+        "cronet_aml_base_third_party_double_conversion_double_conversion__testing",
+        "cronet_aml_base_third_party_dynamic_annotations_dynamic_annotations__testing",
+        "cronet_aml_components_prefs_prefs__testing",
+        "cronet_aml_crypto_crypto__testing",
+        "cronet_aml_net_net__testing",
+        "cronet_aml_net_preload_decoder__testing",
+        "cronet_aml_net_third_party_quiche_quiche__testing",
+        "cronet_aml_net_uri_template__testing",
+        "cronet_aml_third_party_boringssl_boringssl__testing",
+        "cronet_aml_third_party_brotli_common__testing",
+        "cronet_aml_third_party_brotli_dec__testing",
+        "cronet_aml_third_party_icu_icui18n__testing",
+        "cronet_aml_third_party_icu_icuuc_private__testing",
+        "cronet_aml_third_party_libevent_libevent__testing",
+        "cronet_aml_third_party_modp_b64_modp_b64__testing",
+        "cronet_aml_third_party_protobuf_protobuf_lite__testing",
+        "cronet_aml_url_url__testing",
+    ],
+    generated_headers: [
+        "cronet_aml_base_debugging_buildflags__testing",
+        "cronet_aml_base_logging_buildflags__testing",
+        "cronet_aml_build_chromeos_buildflags__testing",
+        "cronet_aml_components_cronet_android_buildflags__testing",
+        "cronet_aml_components_cronet_android_cronet_jni_headers__testing",
+        "cronet_aml_components_cronet_android_cronet_jni_registration__testing",
+        "cronet_aml_components_cronet_cronet_buildflags__testing",
+        "cronet_aml_components_cronet_cronet_version_header_action__testing",
+        "cronet_aml_third_party_metrics_proto_metrics_proto__testing_gen_headers",
+        "cronet_aml_url_buildflags__testing",
+    ],
+    export_generated_headers: [
+        "cronet_aml_base_debugging_buildflags__testing",
+        "cronet_aml_base_logging_buildflags__testing",
+        "cronet_aml_build_chromeos_buildflags__testing",
+        "cronet_aml_components_cronet_android_buildflags__testing",
+        "cronet_aml_components_cronet_android_cronet_jni_headers__testing",
+        "cronet_aml_components_cronet_android_cronet_jni_registration__testing",
+        "cronet_aml_components_cronet_cronet_buildflags__testing",
+        "cronet_aml_components_cronet_cronet_version_header_action__testing",
+        "cronet_aml_third_party_metrics_proto_metrics_proto__testing_gen_headers",
+        "cronet_aml_url_buildflags__testing",
+    ],
+    defaults: [
+        "cronet_aml_defaults",
+    ],
+    cflags: [
+        "-DANDROID",
+        "-DANDROID_NDK_VERSION_ROLL=r23_1",
+        "-DCR_CLANG_REVISION=\"llvmorg-16-init-6578-g0d30e92f-2\"",
+        "-DCR_LIBCXX_REVISION=64d36e572d3f9719c5d75011a718f33f11126851",
+        "-DDYNAMIC_ANNOTATIONS_ENABLED=0",
+        "-DGOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE=0",
+        "-DGOOGLE_PROTOBUF_NO_RTTI",
+        "-DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER",
+        "-DHAVE_PTHREAD",
+        "-DHAVE_SYS_UIO_H",
+        "-DNDEBUG",
+        "-DNO_UNWIND_TABLES",
+        "-DNVALGRIND",
+        "-DOFFICIAL_BUILD",
+        "-D_FORTIFY_SOURCE=2",
+        "-D_GNU_SOURCE",
+        "-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D__STDC_CONSTANT_MACROS",
+        "-D__STDC_FORMAT_MACROS",
+        "-Oz",
+        "-fdata-sections",
+        "-ffunction-sections",
+        "-fno-asynchronous-unwind-tables",
+        "-fno-unwind-tables",
+        "-fvisibility-inlines-hidden",
+        "-fvisibility=hidden",
+        "-g1",
+    ],
+    local_include_dirs: [
+        "./",
+        "buildtools/third_party/libc++/",
+        "buildtools/third_party/libc++/trunk/include",
+        "buildtools/third_party/libc++abi/trunk/include",
+        "net/third_party/quiche/overrides/",
+        "net/third_party/quiche/src/",
+        "net/third_party/quiche/src/quiche/common/platform/default/",
+        "third_party/abseil-cpp/",
+        "third_party/boringssl/src/include/",
+        "third_party/protobuf/src/",
+    ],
+    cpp_std: "c++17",
+    ldflags: [
+        "-Wl,--as-needed",
+        "-Wl,--gc-sections",
+        "-Wl,--icf=all",
+        "-Wl,--script,external/cronet/base/android/library_loader/anchor_functions.lds",
+        "-Wl,-wrap,asprintf",
+        "-Wl,-wrap,calloc",
+        "-Wl,-wrap,free",
+        "-Wl,-wrap,getcwd",
+        "-Wl,-wrap,malloc",
+        "-Wl,-wrap,malloc_usable_size",
+        "-Wl,-wrap,memalign",
+        "-Wl,-wrap,posix_memalign",
+        "-Wl,-wrap,pvalloc",
+        "-Wl,-wrap,realloc",
+        "-Wl,-wrap,realpath",
+        "-Wl,-wrap,strdup",
+        "-Wl,-wrap,strndup",
+        "-Wl,-wrap,valloc",
+        "-Wl,-wrap,vasprintf",
+    ],
+    target: {
+        android_arm: {
+            cflags: [
+                "-fstack-protector",
+            ],
+        },
+        android_arm64: {
+            cflags: [
+                "-fstack-protector",
+                "-mno-outline",
+                "-mno-outline-atomics",
+            ],
+        },
+        android_x86: {
+            cflags: [
+                "-msse3",
+            ],
+        },
+        android_x86_64: {
+            cflags: [
+                "-fstack-protector",
+                "-msse3",
+            ],
+        },
+    },
+}
+
 // GN: //components/cronet/android:cronet_jni_headers
 cc_genrule {
     name: "cronet_aml_components_cronet_android_cronet_jni_headers",
@@ -7948,6 +8107,280 @@
     },
 }
 
+// GN: //components/cronet/android:cronet_tests__testing
+cc_library_shared {
+    name: "cronet_aml_components_cronet_android_cronet_tests__testing",
+    srcs: [
+        ":cronet_aml_buildtools_third_party_libc___libc____testing",
+        ":cronet_aml_buildtools_third_party_libc__abi_libc__abi__testing",
+        ":cronet_aml_components_cronet_cronet_common__testing",
+        ":cronet_aml_components_cronet_testing_test_support__testing",
+        ":cronet_aml_components_metrics_library_support__testing",
+        ":cronet_aml_net_simple_quic_tools__testing",
+        "components/cronet/android/test/cronet_test_jni.cc",
+        "components/cronet/android/test/cronet_test_util.cc",
+        "components/cronet/android/test/cronet_url_request_context_config_test.cc",
+        "components/cronet/android/test/cronet_url_request_test.cc",
+        "components/cronet/android/test/experimental_options_test.cc",
+        "components/cronet/android/test/mock_cert_verifier.cc",
+        "components/cronet/android/test/mock_url_request_job_factory.cc",
+        "components/cronet/android/test/native_test_server.cc",
+        "components/cronet/android/test/quic_test_server.cc",
+        "components/cronet/android/test/test_upload_data_stream_handler.cc",
+        "components/cronet/android/test/url_request_intercepting_job_factory.cc",
+    ],
+    shared_libs: [
+        "cronet_aml_components_cronet_android_cronet__testing",
+        "libandroid",
+        "liblog",
+        "libz",
+    ],
+    static_libs: [
+        "cronet_aml_base_allocator_partition_allocator_partition_alloc__testing",
+        "cronet_aml_base_base__testing",
+        "cronet_aml_base_base_static__testing",
+        "cronet_aml_base_i18n__testing",
+        "cronet_aml_base_test_test_config__testing",
+        "cronet_aml_base_test_test_support__testing",
+        "cronet_aml_base_third_party_double_conversion_double_conversion__testing",
+        "cronet_aml_base_third_party_dynamic_annotations_dynamic_annotations__testing",
+        "cronet_aml_components_prefs_prefs__testing",
+        "cronet_aml_crypto_crypto__testing",
+        "cronet_aml_net_gtest_util__testing",
+        "cronet_aml_net_net__testing",
+        "cronet_aml_net_preload_decoder__testing",
+        "cronet_aml_net_test_support__testing",
+        "cronet_aml_net_third_party_quiche_quiche__testing",
+        "cronet_aml_net_third_party_quiche_quiche_tool_support__testing",
+        "cronet_aml_net_uri_template__testing",
+        "cronet_aml_testing_gtest_gtest__testing",
+        "cronet_aml_third_party_boringssl_boringssl__testing",
+        "cronet_aml_third_party_brotli_common__testing",
+        "cronet_aml_third_party_brotli_dec__testing",
+        "cronet_aml_third_party_ced_ced__testing",
+        "cronet_aml_third_party_icu_icui18n__testing",
+        "cronet_aml_third_party_icu_icuuc_private__testing",
+        "cronet_aml_third_party_libevent_libevent__testing",
+        "cronet_aml_third_party_libxml_libxml__testing",
+        "cronet_aml_third_party_libxml_libxml_utils__testing",
+        "cronet_aml_third_party_libxml_xml_reader__testing",
+        "cronet_aml_third_party_modp_b64_modp_b64__testing",
+        "cronet_aml_third_party_protobuf_protobuf_lite__testing",
+        "cronet_aml_url_url__testing",
+    ],
+    generated_headers: [
+        "cronet_aml_base_debugging_buildflags__testing",
+        "cronet_aml_base_logging_buildflags__testing",
+        "cronet_aml_build_chromeos_buildflags__testing",
+        "cronet_aml_components_cronet_android_cronet_tests_jni_headers__testing",
+        "cronet_aml_components_cronet_cronet_buildflags__testing",
+        "cronet_aml_components_cronet_cronet_version_header_action__testing",
+        "cronet_aml_third_party_metrics_proto_metrics_proto__testing_gen_headers",
+    ],
+    export_generated_headers: [
+        "cronet_aml_base_debugging_buildflags__testing",
+        "cronet_aml_base_logging_buildflags__testing",
+        "cronet_aml_build_chromeos_buildflags__testing",
+        "cronet_aml_components_cronet_android_cronet_tests_jni_headers__testing",
+        "cronet_aml_components_cronet_cronet_buildflags__testing",
+        "cronet_aml_components_cronet_cronet_version_header_action__testing",
+        "cronet_aml_third_party_metrics_proto_metrics_proto__testing_gen_headers",
+    ],
+    defaults: [
+        "cronet_aml_defaults",
+    ],
+    cflags: [
+        "-DANDROID",
+        "-DANDROID_NDK_VERSION_ROLL=r23_1",
+        "-DCR_CLANG_REVISION=\"llvmorg-16-init-6578-g0d30e92f-2\"",
+        "-DCR_LIBCXX_REVISION=64d36e572d3f9719c5d75011a718f33f11126851",
+        "-DDYNAMIC_ANNOTATIONS_ENABLED=0",
+        "-DGOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE=0",
+        "-DGOOGLE_PROTOBUF_NO_RTTI",
+        "-DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER",
+        "-DGTEST_API_=",
+        "-DGTEST_HAS_ABSL=1",
+        "-DGTEST_HAS_POSIX_RE=0",
+        "-DGTEST_HAS_TR1_TUPLE=0",
+        "-DGTEST_LANG_CXX11=1",
+        "-DHAVE_PTHREAD",
+        "-DHAVE_SYS_UIO_H",
+        "-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE",
+        "-DNDEBUG",
+        "-DNO_UNWIND_TABLES",
+        "-DNVALGRIND",
+        "-DOFFICIAL_BUILD",
+        "-DUNIT_TEST",
+        "-DUSE_CHROMIUM_ICU=1",
+        "-DUSE_REMOTE_TEST_SERVER",
+        "-DU_ENABLE_DYLOAD=0",
+        "-DU_ENABLE_RESOURCE_TRACING=0",
+        "-DU_ENABLE_TRACING=1",
+        "-DU_STATIC_IMPLEMENTATION",
+        "-DU_USING_ICU_NAMESPACE=0",
+        "-D_FORTIFY_SOURCE=2",
+        "-D_GNU_SOURCE",
+        "-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D__STDC_CONSTANT_MACROS",
+        "-D__STDC_FORMAT_MACROS",
+        "-Oz",
+        "-fdata-sections",
+        "-ffunction-sections",
+        "-fno-asynchronous-unwind-tables",
+        "-fno-unwind-tables",
+        "-fvisibility-inlines-hidden",
+        "-fvisibility=hidden",
+        "-g1",
+    ],
+    local_include_dirs: [
+        "./",
+        "buildtools/third_party/libc++/",
+        "buildtools/third_party/libc++/trunk/include",
+        "buildtools/third_party/libc++abi/trunk/include",
+        "net/third_party/quiche/overrides/",
+        "net/third_party/quiche/src/",
+        "net/third_party/quiche/src/quiche/common/platform/default/",
+        "third_party/abseil-cpp/",
+        "third_party/boringssl/src/include/",
+        "third_party/ced/src/",
+        "third_party/googletest/custom/",
+        "third_party/googletest/src/googlemock/include/",
+        "third_party/googletest/src/googletest/include/",
+        "third_party/icu/source/common/",
+        "third_party/icu/source/i18n/",
+        "third_party/protobuf/src/",
+    ],
+    cpp_std: "c++17",
+    ldflags: [
+        "-Wl,--as-needed",
+        "-Wl,--gc-sections",
+        "-Wl,--icf=all",
+        "-Wl,--script,external/cronet/base/android/library_loader/anchor_functions.lds",
+        "-Wl,-wrap,asprintf",
+        "-Wl,-wrap,calloc",
+        "-Wl,-wrap,free",
+        "-Wl,-wrap,getcwd",
+        "-Wl,-wrap,malloc",
+        "-Wl,-wrap,malloc_usable_size",
+        "-Wl,-wrap,memalign",
+        "-Wl,-wrap,posix_memalign",
+        "-Wl,-wrap,pvalloc",
+        "-Wl,-wrap,realloc",
+        "-Wl,-wrap,realpath",
+        "-Wl,-wrap,strdup",
+        "-Wl,-wrap,strndup",
+        "-Wl,-wrap,valloc",
+        "-Wl,-wrap,vasprintf",
+    ],
+    stem: "libcronet_tests",
+    target: {
+        android_arm: {
+            cflags: [
+                "-fstack-protector",
+            ],
+        },
+        android_arm64: {
+            cflags: [
+                "-fstack-protector",
+                "-mno-outline",
+                "-mno-outline-atomics",
+            ],
+        },
+        android_x86: {
+            cflags: [
+                "-msse3",
+            ],
+        },
+        android_x86_64: {
+            cflags: [
+                "-fstack-protector",
+                "-msse3",
+            ],
+        },
+    },
+}
+
+// GN: //components/cronet/android:cronet_tests_jni_headers__testing
+cc_genrule {
+    name: "cronet_aml_components_cronet_android_cronet_tests_jni_headers__testing",
+    srcs: [
+        "components/cronet/android/test/javatests/src/org/chromium/net/CronetUrlRequestContextTest.java",
+        "components/cronet/android/test/javatests/src/org/chromium/net/CronetUrlRequestTest.java",
+        "components/cronet/android/test/javatests/src/org/chromium/net/ExperimentalOptionsTest.java",
+        "components/cronet/android/test/src/org/chromium/net/CronetTestUtil.java",
+        "components/cronet/android/test/src/org/chromium/net/MockCertVerifier.java",
+        "components/cronet/android/test/src/org/chromium/net/MockUrlRequestJobFactory.java",
+        "components/cronet/android/test/src/org/chromium/net/NativeTestServer.java",
+        "components/cronet/android/test/src/org/chromium/net/QuicTestServer.java",
+        "components/cronet/android/test/src/org/chromium/net/TestUploadDataStreamHandler.java",
+    ],
+    cmd: "$(location base/android/jni_generator/jni_generator.py) --ptr_type " +
+         "long " +
+         "--output_dir " +
+         "$(genDir)/components/cronet/android/cronet_tests_jni_headers " +
+         "--includes " +
+         "base/android/jni_generator/jni_generator_helper.h " +
+         "--use_proxy_hash " +
+         "--output_name " +
+         "CronetUrlRequestContextTest_jni.h " +
+         "--output_name " +
+         "CronetUrlRequestTest_jni.h " +
+         "--output_name " +
+         "ExperimentalOptionsTest_jni.h " +
+         "--output_name " +
+         "CronetTestUtil_jni.h " +
+         "--output_name " +
+         "MockCertVerifier_jni.h " +
+         "--output_name " +
+         "MockUrlRequestJobFactory_jni.h " +
+         "--output_name " +
+         "NativeTestServer_jni.h " +
+         "--output_name " +
+         "QuicTestServer_jni.h " +
+         "--output_name " +
+         "TestUploadDataStreamHandler_jni.h " +
+         "--input_file " +
+         "$(location components/cronet/android/test/javatests/src/org/chromium/net/CronetUrlRequestContextTest.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/javatests/src/org/chromium/net/CronetUrlRequestTest.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/javatests/src/org/chromium/net/ExperimentalOptionsTest.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/CronetTestUtil.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/MockCertVerifier.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/MockUrlRequestJobFactory.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/NativeTestServer.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/QuicTestServer.java) " +
+         "--input_file " +
+         "$(location components/cronet/android/test/src/org/chromium/net/TestUploadDataStreamHandler.java)",
+    out: [
+        "components/cronet/android/cronet_tests_jni_headers/CronetTestUtil_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/CronetUrlRequestContextTest_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/CronetUrlRequestTest_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/ExperimentalOptionsTest_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/MockCertVerifier_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/MockUrlRequestJobFactory_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/NativeTestServer_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/QuicTestServer_jni.h",
+        "components/cronet/android/cronet_tests_jni_headers/TestUploadDataStreamHandler_jni.h",
+    ],
+    tool_files: [
+        "base/android/jni_generator/android_jar.classes",
+        "base/android/jni_generator/jni_generator.py",
+        "build/android/gyp/util/__init__.py",
+        "build/android/gyp/util/build_utils.py",
+        "build/gn_helpers.py",
+    ],
+    apex_available: [
+        "com.android.tethering",
+    ],
+}
+
 // GN: //components/cronet/android:cronet_unittests_android__library__testing
 cc_library_shared {
     name: "cronet_aml_components_cronet_android_cronet_unittests_android__library__testing",
@@ -9045,6 +9478,142 @@
     },
 }
 
+// GN: //components/cronet/testing:test_support__testing
+cc_object {
+    name: "cronet_aml_components_cronet_testing_test_support__testing",
+    srcs: [
+        "components/cronet/testing/test_server/test_server.cc",
+    ],
+    shared_libs: [
+        "libandroid",
+        "liblog",
+        "libz",
+    ],
+    static_libs: [
+        "cronet_aml_base_allocator_partition_allocator_partition_alloc__testing",
+        "cronet_aml_base_base__testing",
+        "cronet_aml_base_base_static__testing",
+        "cronet_aml_base_i18n__testing",
+        "cronet_aml_base_test_test_config__testing",
+        "cronet_aml_base_test_test_support__testing",
+        "cronet_aml_base_third_party_double_conversion_double_conversion__testing",
+        "cronet_aml_base_third_party_dynamic_annotations_dynamic_annotations__testing",
+        "cronet_aml_crypto_crypto__testing",
+        "cronet_aml_net_gtest_util__testing",
+        "cronet_aml_net_net__testing",
+        "cronet_aml_net_preload_decoder__testing",
+        "cronet_aml_net_test_support__testing",
+        "cronet_aml_net_third_party_quiche_quiche__testing",
+        "cronet_aml_net_third_party_quiche_quiche_tool_support__testing",
+        "cronet_aml_net_uri_template__testing",
+        "cronet_aml_testing_gtest_gtest__testing",
+        "cronet_aml_third_party_boringssl_boringssl__testing",
+        "cronet_aml_third_party_brotli_common__testing",
+        "cronet_aml_third_party_brotli_dec__testing",
+        "cronet_aml_third_party_ced_ced__testing",
+        "cronet_aml_third_party_icu_icui18n__testing",
+        "cronet_aml_third_party_icu_icuuc_private__testing",
+        "cronet_aml_third_party_libevent_libevent__testing",
+        "cronet_aml_third_party_libxml_libxml__testing",
+        "cronet_aml_third_party_libxml_libxml_utils__testing",
+        "cronet_aml_third_party_libxml_xml_reader__testing",
+        "cronet_aml_third_party_modp_b64_modp_b64__testing",
+        "cronet_aml_third_party_protobuf_protobuf_lite__testing",
+        "cronet_aml_url_url__testing",
+    ],
+    defaults: [
+        "cronet_aml_defaults",
+    ],
+    cflags: [
+        "-DANDROID",
+        "-DANDROID_NDK_VERSION_ROLL=r23_1",
+        "-DCR_CLANG_REVISION=\"llvmorg-16-init-6578-g0d30e92f-2\"",
+        "-DCR_LIBCXX_REVISION=64d36e572d3f9719c5d75011a718f33f11126851",
+        "-DDYNAMIC_ANNOTATIONS_ENABLED=0",
+        "-DGOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE=0",
+        "-DGOOGLE_PROTOBUF_NO_RTTI",
+        "-DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER",
+        "-DGTEST_API_=",
+        "-DGTEST_HAS_ABSL=1",
+        "-DGTEST_HAS_POSIX_RE=0",
+        "-DGTEST_HAS_TR1_TUPLE=0",
+        "-DGTEST_LANG_CXX11=1",
+        "-DHAVE_PTHREAD",
+        "-DHAVE_SYS_UIO_H",
+        "-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE",
+        "-DNDEBUG",
+        "-DNO_UNWIND_TABLES",
+        "-DNVALGRIND",
+        "-DOFFICIAL_BUILD",
+        "-DUNIT_TEST",
+        "-DUSE_CHROMIUM_ICU=1",
+        "-DUSE_REMOTE_TEST_SERVER",
+        "-DU_ENABLE_DYLOAD=0",
+        "-DU_ENABLE_RESOURCE_TRACING=0",
+        "-DU_ENABLE_TRACING=1",
+        "-DU_STATIC_IMPLEMENTATION",
+        "-DU_USING_ICU_NAMESPACE=0",
+        "-D_FORTIFY_SOURCE=2",
+        "-D_GNU_SOURCE",
+        "-D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS",
+        "-D__STDC_CONSTANT_MACROS",
+        "-D__STDC_FORMAT_MACROS",
+        "-Oz",
+        "-fdata-sections",
+        "-ffunction-sections",
+        "-fno-asynchronous-unwind-tables",
+        "-fno-unwind-tables",
+        "-fvisibility-inlines-hidden",
+        "-fvisibility=hidden",
+        "-g1",
+    ],
+    local_include_dirs: [
+        "./",
+        "buildtools/third_party/libc++/",
+        "buildtools/third_party/libc++/trunk/include",
+        "buildtools/third_party/libc++abi/trunk/include",
+        "net/third_party/quiche/overrides/",
+        "net/third_party/quiche/src/",
+        "net/third_party/quiche/src/quiche/common/platform/default/",
+        "third_party/abseil-cpp/",
+        "third_party/boringssl/src/include/",
+        "third_party/ced/src/",
+        "third_party/googletest/custom/",
+        "third_party/googletest/src/googlemock/include/",
+        "third_party/googletest/src/googletest/include/",
+        "third_party/icu/source/common/",
+        "third_party/icu/source/i18n/",
+        "third_party/protobuf/src/",
+    ],
+    cpp_std: "c++17",
+    target: {
+        android_arm: {
+            cflags: [
+                "-fstack-protector",
+            ],
+        },
+        android_arm64: {
+            cflags: [
+                "-fstack-protector",
+                "-mno-outline",
+                "-mno-outline-atomics",
+            ],
+        },
+        android_x86: {
+            cflags: [
+                "-msse3",
+            ],
+        },
+        android_x86_64: {
+            cflags: [
+                "-fstack-protector",
+                "-msse3",
+            ],
+        },
+    },
+}
+
 // GN: //components/metrics:library_support
 cc_object {
     name: "cronet_aml_components_metrics_library_support",
@@ -10298,6 +10867,7 @@
 cc_defaults {
     name: "cronet_aml_defaults",
     cflags: [
+        "-DBORINGSSL_SHARED_LIBRARY",
         "-DGOOGLE_PROTOBUF_NO_RTTI",
         "-Wno-ambiguous-reversed-operator",
         "-Wno-c++11-narrowing",
@@ -10318,6 +10888,7 @@
         "com.android.tethering",
     ],
     min_sdk_version: "29",
+    c_std: "gnu11",
     target: {
         android: {
             shared_libs: [
@@ -16656,10 +17227,6 @@
         "net/third_party/quiche/src/quiche/quic/core/proto/crypto_server_config.proto",
         "net/third_party/quiche/src/quiche/quic/core/proto/source_address_token.proto",
     ],
-    shared_libs: [
-        "//external/cronet/third_party/boringssl:libcrypto",
-        "//external/cronet/third_party/boringssl:libssl",
-    ],
     tools: [
         "cronet_aml_third_party_protobuf_protoc",
     ],
diff --git a/tools/gn2bp/gen_android_bp b/tools/gn2bp/gen_android_bp
index b55b9bf..075ed58 100755
--- a/tools/gn2bp/gen_android_bp
+++ b/tools/gn2bp/gen_android_bp
@@ -50,6 +50,7 @@
 DEFAULT_TESTS = [
   '//components/cronet/android:cronet_unittests_android__library',
   '//net:net_unittests__library',
+  '//components/cronet/android:cronet_tests',
 ]
 
 EXTRAS_ANDROID_BP_FILE = "Android.extras.bp"
@@ -235,6 +236,9 @@
     module.arch[arch].shared_libs.add('libz')
 
 def enable_boringssl(module, arch):
+  # Do not add boringssl targets to cc_genrules. This happens, because protobuf targets are
+  # originally static_libraries, but later get converted to a cc_genrule.
+  if module.is_genrule(): return
   if arch is None:
     shared_libs = module.shared_libs
   else:
@@ -472,8 +476,7 @@
     self.processor_class = None
     self.sdk_version = None
     self.javacflags = set()
-    self.license_kinds = set()
-    self.license_text = set()
+    self.c_std = None
     self.default_applicable_licenses = set()
 
   def to_string(self, output):
@@ -531,8 +534,7 @@
     self._output_field(output, 'processor_class')
     self._output_field(output, 'sdk_version')
     self._output_field(output, 'javacflags')
-    self._output_field(output, 'license_kinds')
-    self._output_field(output, 'license_text')
+    self._output_field(output, 'c_std')
     self._output_field(output, 'default_applicable_licenses')
     if self.rtti:
       self._output_field(output, 'rtti')
@@ -1754,6 +1756,7 @@
   defaults = Module('cc_defaults', defaults_module, '//gn:default_deps')
   defaults.cflags = [
       '-DGOOGLE_PROTOBUF_NO_RTTI',
+      '-DBORINGSSL_SHARED_LIBRARY',
       '-Wno-error=return-type',
       '-Wno-non-virtual-dtor',
       '-Wno-macro-redefined',
@@ -1767,6 +1770,7 @@
       '-fPIC',
       '-Wno-c++11-narrowing',
   ]
+  defaults.c_std = 'gnu11'
   # Chromium builds do not add a dependency for headers found inside the
   # sysroot, so they are added globally via defaults.
   defaults.target['android'].header_libs = [
@@ -1900,6 +1904,8 @@
 //
 // This file is automatically generated by %s. Do not edit.
 
+soong_namespace {}
+
 build = ["Android.extras.bp"]
 """ % (tool_name)
   ]