diff --git a/core/java/android/net/CaptivePortal.java b/core/java/android/net/CaptivePortal.java
index 8afeb30..c2586fa 100644
--- a/core/java/android/net/CaptivePortal.java
+++ b/core/java/android/net/CaptivePortal.java
@@ -19,7 +19,6 @@
 import android.annotation.NonNull;
 import android.annotation.RequiresPermission;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -42,7 +41,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public static final int APP_RETURN_DISMISSED    = 0;
     /**
      * Response code from the captive portal application, indicating that the user did not login and
@@ -52,7 +50,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public static final int APP_RETURN_UNWANTED     = 1;
     /**
      * Response code from the captive portal application, indicating that the user does not wish to
@@ -62,7 +59,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public static final int APP_RETURN_WANTED_AS_IS = 2;
     /** Event offset of request codes from captive portal application. */
     private static final int APP_REQUEST_BASE = 100;
@@ -74,7 +70,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public static final int APP_REQUEST_REEVALUATION_REQUIRED = APP_REQUEST_BASE + 0;
 
     private final IBinder mBinder;
@@ -154,7 +149,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public void useNetwork() {
         try {
             ICaptivePortal.Stub.asInterface(mBinder).appResponse(APP_RETURN_WANTED_AS_IS);
@@ -167,7 +161,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     @RequiresPermission(android.Manifest.permission.NETWORK_STACK)
     public void reevaluateNetwork() {
         try {
@@ -183,7 +176,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public void logEvent(@EventId int eventId, @NonNull String packageName) {
         try {
             ICaptivePortal.Stub.asInterface(mBinder).logEvent(eventId, packageName);
diff --git a/core/java/android/net/CaptivePortalData.java b/core/java/android/net/CaptivePortalData.java
index 1357803..c443c75 100644
--- a/core/java/android/net/CaptivePortalData.java
+++ b/core/java/android/net/CaptivePortalData.java
@@ -19,7 +19,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -30,7 +29,6 @@
  * @hide
  */
 @SystemApi
-@TestApi
 public final class CaptivePortalData implements Parcelable {
     private final long mRefreshTimeMillis;
     @Nullable
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index a29f878..7bede46 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -269,7 +269,6 @@
      * {@hide}
      */
     @SystemApi
-    @TestApi
     public static final String EXTRA_CAPTIVE_PORTAL_PROBE_SPEC =
             "android.net.extra.CAPTIVE_PORTAL_PROBE_SPEC";
 
@@ -278,7 +277,6 @@
      * {@hide}
      */
     @SystemApi
-    @TestApi
     public static final String EXTRA_CAPTIVE_PORTAL_USER_AGENT =
             "android.net.extra.CAPTIVE_PORTAL_USER_AGENT";
 
@@ -4361,7 +4359,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
     public void startCaptivePortalApp(@NonNull Network network, @NonNull Bundle appExtras) {
         try {
diff --git a/core/java/android/net/IpPrefix.java b/core/java/android/net/IpPrefix.java
index 8cfe6df..e7c8014 100644
--- a/core/java/android/net/IpPrefix.java
+++ b/core/java/android/net/IpPrefix.java
@@ -19,7 +19,6 @@
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Pair;
@@ -88,7 +87,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public IpPrefix(@NonNull InetAddress address, @IntRange(from = 0, to = 128) int prefixLength) {
         // We don't reuse the (byte[], int) constructor because it calls clone() on the byte array,
         // which is unnecessary because getAddress() already returns a clone.
@@ -107,7 +105,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public IpPrefix(@NonNull String prefix) {
         // We don't reuse the (InetAddress, int) constructor because "error: call to this must be
         // first statement in constructor". We could factor out setting the member variables to an
diff --git a/core/java/android/net/LinkAddress.java b/core/java/android/net/LinkAddress.java
index a9d7f17..44d25a1 100644
--- a/core/java/android/net/LinkAddress.java
+++ b/core/java/android/net/LinkAddress.java
@@ -30,7 +30,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
 import android.os.Parcel;
@@ -158,7 +157,6 @@
      * @return true if the address is IPv6.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isIpv6() {
         return address instanceof Inet6Address;
@@ -180,7 +178,6 @@
      * @return true if the address is IPv4 or is a mapped IPv4 address.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isIpv4() {
         return address instanceof Inet4Address;
@@ -243,7 +240,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkAddress(@NonNull InetAddress address, @IntRange(from = 0, to = 128) int prefixLength,
             int flags, int scope) {
         init(address, prefixLength, flags, scope, LIFETIME_UNKNOWN, LIFETIME_UNKNOWN);
@@ -275,7 +271,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkAddress(@NonNull InetAddress address, @IntRange(from = 0, to = 128) int prefixLength,
                        int flags, int scope, long deprecationTime, long expirationTime) {
         init(address, prefixLength, flags, scope, deprecationTime, expirationTime);
@@ -289,7 +284,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkAddress(@NonNull InetAddress address,
             @IntRange(from = 0, to = 128) int prefixLength) {
         this(address, prefixLength, 0, 0);
@@ -314,7 +308,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkAddress(@NonNull String address) {
         this(address, 0, 0);
         this.scope = scopeForUnicastAddress(this.address);
@@ -329,7 +322,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkAddress(@NonNull String address, int flags, int scope) {
         // This may throw an IllegalArgumentException; catching it is the caller's responsibility.
         // TODO: consider rejecting mapped IPv4 addresses such as "::ffff:192.0.2.5/24".
@@ -389,7 +381,6 @@
      * otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isSameAddressAs(@Nullable LinkAddress other) {
         if (other == null) {
@@ -469,7 +460,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public long getDeprecationTime() {
         return deprecationTime;
     }
@@ -485,7 +475,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public long getExpirationTime() {
         return expirationTime;
     }
@@ -496,7 +485,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isGlobalPreferred() {
         /**
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 651494d..9b2ef7c 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -19,15 +19,14 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
-import android.net.util.LinkPropertiesUtils;
-import android.net.util.LinkPropertiesUtils.CompareResult;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
 
+import com.android.net.module.util.LinkPropertiesUtils;
+
 import java.net.Inet4Address;
 import java.net.Inet6Address;
 import java.net.InetAddress;
@@ -162,7 +161,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkProperties(@Nullable LinkProperties source) {
         this(source, false /* parcelSensitiveFields */);
     }
@@ -178,7 +176,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public LinkProperties(@Nullable LinkProperties source, boolean parcelSensitiveFields) {
         mParcelSensitiveFields = parcelSensitiveFields;
         if (source == null) return;
@@ -293,7 +290,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public boolean addLinkAddress(@NonNull LinkAddress address) {
         if (address == null) {
             return false;
@@ -322,7 +318,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public boolean removeLinkAddress(@NonNull LinkAddress toRemove) {
         int i = findLinkAddressIndex(toRemove);
         if (i >= 0) {
@@ -376,7 +371,6 @@
      * @return true if the DNS server was added, false if it was already present.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean addDnsServer(@NonNull InetAddress dnsServer) {
         if (dnsServer != null && !mDnses.contains(dnsServer)) {
@@ -393,7 +387,6 @@
      * @return true if the DNS server was removed, false if it did not exist.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean removeDnsServer(@NonNull InetAddress dnsServer) {
         return mDnses.remove(dnsServer);
@@ -428,7 +421,6 @@
      * @param usePrivateDns The private DNS state.
      * @hide
      */
-    @TestApi
     @SystemApi
     public void setUsePrivateDns(boolean usePrivateDns) {
         mUsePrivateDns = usePrivateDns;
@@ -455,7 +447,6 @@
      * @param privateDnsServerName The private DNS server name.
      * @hide
      */
-    @TestApi
     @SystemApi
     public void setPrivateDnsServerName(@Nullable String privateDnsServerName) {
         mPrivateDnsServerName = privateDnsServerName;
@@ -534,7 +525,6 @@
      *        object.
      * @hide
      */
-    @TestApi
     @SystemApi
     public void setValidatedPrivateDnsServers(@NonNull Collection<InetAddress> dnsServers) {
         mValidatedPrivateDnses.clear();
@@ -551,7 +541,6 @@
      *         DNS servers on this link.
      * @hide
      */
-    @TestApi
     @SystemApi
     public @NonNull List<InetAddress> getValidatedPrivateDnsServers() {
         return Collections.unmodifiableList(mValidatedPrivateDnses);
@@ -592,7 +581,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public void setPcscfServers(@NonNull Collection<InetAddress> pcscfServers) {
         mPcscfs.clear();
         for (InetAddress pcscfServer: pcscfServers) {
@@ -608,7 +596,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public @NonNull List<InetAddress> getPcscfServers() {
         return Collections.unmodifiableList(mPcscfs);
     }
@@ -662,7 +649,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public void setTcpBufferSizes(@Nullable String tcpBufferSizes) {
         mTcpBufferSizes = tcpBufferSizes;
@@ -675,7 +661,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public @Nullable String getTcpBufferSizes() {
         return mTcpBufferSizes;
@@ -744,7 +729,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean removeRoute(@NonNull RouteInfo route) {
         return Objects.equals(mIfaceName, route.getInterface()) && mRoutes.remove(route);
@@ -1021,7 +1005,6 @@
      * @return {@code true} if there is an IPv4 address, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean hasIpv4Address() {
         for (LinkAddress address : mLinkAddresses) {
@@ -1062,7 +1045,6 @@
      * @return {@code true} if there is a global preferred IPv6 address, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean hasGlobalIpv6Address() {
         for (LinkAddress address : mLinkAddresses) {
@@ -1149,7 +1131,6 @@
      * @return {@code true} if there is an IPv6 default route, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean hasIpv6DefaultRoute() {
         for (RouteInfo r : mRoutes) {
@@ -1265,7 +1246,6 @@
      * @return {@code true} if the link is provisioned, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isIpv4Provisioned() {
         return (hasIpv4Address()
@@ -1280,7 +1260,6 @@
      * @return {@code true} if the link is provisioned, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isIpv6Provisioned() {
         return (hasGlobalIpv6Address()
@@ -1308,7 +1287,6 @@
      * @return {@code true} if the link is provisioned, {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isProvisioned() {
         return (isIpv4Provisioned() || isIpv6Provisioned());
@@ -1321,7 +1299,6 @@
      *         {@code false} otherwise.
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean isReachable(@NonNull InetAddress ip) {
         final List<RouteInfo> allRoutes = getAllRoutes();
@@ -1578,7 +1555,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public void setCaptivePortalApiUrl(@Nullable Uri url) {
         mCaptivePortalApiUrl = url;
     }
@@ -1593,7 +1569,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     @Nullable
     public Uri getCaptivePortalApiUrl() {
         return mCaptivePortalApiUrl;
@@ -1604,7 +1579,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public void setCaptivePortalData(@Nullable CaptivePortalData data) {
         mCaptivePortalData = data;
     }
@@ -1618,7 +1592,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     @Nullable
     public CaptivePortalData getCaptivePortalData() {
         return mCaptivePortalData;
@@ -1669,78 +1642,6 @@
     }
 
     /**
-     * Compares the DNS addresses in this LinkProperties with another
-     * LinkProperties, examining only DNS addresses on the base link.
-     *
-     * @param target a LinkProperties with the new list of dns addresses
-     * @return the differences between the DNS addresses.
-     * @hide
-     */
-    public @NonNull CompareResult<InetAddress> compareDnses(@Nullable LinkProperties target) {
-        /*
-         * Duplicate the InetAddresses into removed, we will be removing
-         * dns address which are common between mDnses and target
-         * leaving the addresses that are different. And dns address which
-         * are in target but not in mDnses are placed in the
-         * addedAddresses.
-         */
-        return new CompareResult<>(mDnses, target != null ? target.getDnsServers() : null);
-    }
-
-    /**
-     * Compares the validated private DNS addresses in this LinkProperties with another
-     * LinkProperties.
-     *
-     * @param target a LinkProperties with the new list of validated private dns addresses
-     * @return the differences between the DNS addresses.
-     * @hide
-     */
-    public @NonNull CompareResult<InetAddress> compareValidatedPrivateDnses(
-            @Nullable LinkProperties target) {
-        return new CompareResult<>(mValidatedPrivateDnses,
-                target != null ? target.getValidatedPrivateDnsServers() : null);
-    }
-
-    /**
-     * Compares all routes in this LinkProperties with another LinkProperties,
-     * examining both the the base link and all stacked links.
-     *
-     * @param target a LinkProperties with the new list of routes
-     * @return the differences between the routes.
-     * @hide
-     */
-    public @NonNull CompareResult<RouteInfo> compareAllRoutes(@Nullable LinkProperties target) {
-        /*
-         * Duplicate the RouteInfos into removed, we will be removing
-         * routes which are common between mRoutes and target
-         * leaving the routes that are different. And route address which
-         * are in target but not in mRoutes are placed in added.
-         */
-        return new CompareResult<>(getAllRoutes(), target != null ? target.getAllRoutes() : null);
-    }
-
-    /**
-     * Compares all interface names in this LinkProperties with another
-     * LinkProperties, examining both the the base link and all stacked links.
-     *
-     * @param target a LinkProperties with the new list of interface names
-     * @return the differences between the interface names.
-     * @hide
-     */
-    public @NonNull CompareResult<String> compareAllInterfaceNames(
-            @Nullable LinkProperties target) {
-        /*
-         * Duplicate the interface names into removed, we will be removing
-         * interface names which are common between this and target
-         * leaving the interface names that are different. And interface names which
-         * are in target but not in this are placed in added.
-         */
-        return new CompareResult<>(getAllInterfaceNames(),
-                target != null ? target.getAllInterfaceNames() : null);
-    }
-
-
-    /**
      * Generate hashcode based on significant fields
      *
      * Equal objects must produce the same hash code, while unequal objects
diff --git a/core/java/android/net/MacAddress.java b/core/java/android/net/MacAddress.java
index 0eb3c1e..51c5a50 100644
--- a/core/java/android/net/MacAddress.java
+++ b/core/java/android/net/MacAddress.java
@@ -20,12 +20,12 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.compat.annotation.UnsupportedAppUsage;
-import android.net.util.MacAddressUtils;
 import android.net.wifi.WifiInfo;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import com.android.internal.util.Preconditions;
+import com.android.net.module.util.MacAddressUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
diff --git a/core/java/android/net/Network.java b/core/java/android/net/Network.java
index f807a49..7bee05c 100644
--- a/core/java/android/net/Network.java
+++ b/core/java/android/net/Network.java
@@ -18,7 +18,6 @@
 
 import android.annotation.NonNull;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -126,7 +125,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public Network(@NonNull Network that) {
         this(that.netId, that.mPrivateDnsBypass);
     }
@@ -163,7 +161,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public @NonNull Network getPrivateDnsBypassingCopy() {
         return new Network(netId, true);
@@ -174,7 +171,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public int getNetId() {
         return netId;
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 004f844..be33f4e 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -850,7 +850,6 @@
      * @return an array of transport type values for this instance.
      * @hide
      */
-    @TestApi
     @SystemApi
     @NonNull public @Transport int[] getTransportTypes() {
         return BitUtils.unpackBits(mTransportTypes);
@@ -1025,7 +1024,6 @@
      */
     @NonNull
     @SystemApi
-    @TestApi
     public int[] getAdministratorUids() {
         return Arrays.copyOf(mAdministratorUids, mAdministratorUids.length);
     }
@@ -1506,7 +1504,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public @Nullable String getSsid() {
         return mSSID;
     }
@@ -1590,7 +1587,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     public boolean satisfiedByNetworkCapabilities(@Nullable NetworkCapabilities nc) {
         return satisfiedByNetworkCapabilities(nc, false);
@@ -2136,7 +2132,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public static final class Builder {
         private final NetworkCapabilities mCaps;
 
diff --git a/core/java/android/net/RouteInfo.java b/core/java/android/net/RouteInfo.java
index 9876076..d53a0b1 100644
--- a/core/java/android/net/RouteInfo.java
+++ b/core/java/android/net/RouteInfo.java
@@ -20,13 +20,13 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
-import android.net.util.NetUtils;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
+import com.android.net.module.util.NetUtils;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.net.Inet4Address;
@@ -87,17 +87,14 @@
 
     /** Unicast route. @hide */
     @SystemApi
-    @TestApi
     public static final int RTN_UNICAST = 1;
 
     /** Unreachable route. @hide */
     @SystemApi
-    @TestApi
     public static final int RTN_UNREACHABLE = 7;
 
     /** Throw route. @hide */
     @SystemApi
-    @TestApi
     public static final int RTN_THROW = 9;
 
     /**
@@ -135,7 +132,6 @@
      * @hide
      */
     @SystemApi
-    @TestApi
     public RouteInfo(@Nullable IpPrefix destination, @Nullable InetAddress gateway,
             @Nullable String iface, @RouteType int type) {
         this(destination, gateway, iface, type, 0);
@@ -397,7 +393,6 @@
      *
      * @hide
      */
-    @TestApi
     @SystemApi
     @RouteType
     public int getType() {
diff --git a/core/java/android/net/StaticIpConfiguration.java b/core/java/android/net/StaticIpConfiguration.java
index a973455..f56d656 100644
--- a/core/java/android/net/StaticIpConfiguration.java
+++ b/core/java/android/net/StaticIpConfiguration.java
@@ -19,7 +19,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -52,7 +51,6 @@
  * @hide
  */
 @SystemApi
-@TestApi
 public final class StaticIpConfiguration implements Parcelable {
     /** @hide */
     @UnsupportedAppUsage
diff --git a/core/java/android/net/apf/ApfCapabilities.java b/core/java/android/net/apf/ApfCapabilities.java
index b1de74e..c4eba15 100644
--- a/core/java/android/net/apf/ApfCapabilities.java
+++ b/core/java/android/net/apf/ApfCapabilities.java
@@ -19,7 +19,6 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
-import android.annotation.TestApi;
 import android.content.res.Resources;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -36,7 +35,6 @@
  * @hide
  */
 @SystemApi
-@TestApi
 public final class ApfCapabilities implements Parcelable {
     /**
      * Version of APF instruction set supported for packet filtering. 0 indicates no support for
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 77cd5d2..526c1ca 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -135,8 +135,6 @@
 import android.net.metrics.NetworkEvent;
 import android.net.netlink.InetDiagMessage;
 import android.net.shared.PrivateDnsConfig;
-import android.net.util.LinkPropertiesUtils.CompareOrUpdateResult;
-import android.net.util.LinkPropertiesUtils.CompareResult;
 import android.net.util.MultinetworkPolicyTracker;
 import android.net.util.NetdService;
 import android.os.Binder;
@@ -194,6 +192,8 @@
 import com.android.internal.util.LocationPermissionChecker;
 import com.android.internal.util.MessageUtils;
 import com.android.internal.util.XmlUtils;
+import com.android.net.module.util.LinkPropertiesUtils.CompareOrUpdateResult;
+import com.android.net.module.util.LinkPropertiesUtils.CompareResult;
 import com.android.server.am.BatteryStatsService;
 import com.android.server.connectivity.AutodestructReference;
 import com.android.server.connectivity.DataConnectionStats;
diff --git a/tests/net/Android.bp b/tests/net/Android.bp
index 124b660..464505e 100644
--- a/tests/net/Android.bp
+++ b/tests/net/Android.bp
@@ -42,6 +42,10 @@
 
 android_test {
     name: "FrameworksNetTests",
+    // Not built on module branch because these tests depend
+    // on net-tests-utils (frameworks/libs/net), which could
+    // be newer than frameworks/base.
+    enabled: false,
     defaults: ["FrameworksNetTests-jni-defaults"],
     srcs: [
         "java/**/*.java",
diff --git a/tests/net/common/Android.bp b/tests/net/common/Android.bp
index 46d680f..373aac6 100644
--- a/tests/net/common/Android.bp
+++ b/tests/net/common/Android.bp
@@ -25,6 +25,7 @@
         "junit",
         "mockito-target-minus-junit4",
         "net-tests-utils",
+        "net-utils-framework-common",
         "platform-test-annotations",
     ],
     libs: [
diff --git a/tests/net/common/java/android/net/DhcpInfoTest.java b/tests/net/common/java/android/net/DhcpInfoTest.java
index 4d45ad7..ab4726b 100644
--- a/tests/net/common/java/android/net/DhcpInfoTest.java
+++ b/tests/net/common/java/android/net/DhcpInfoTest.java
@@ -17,8 +17,8 @@
 package android.net;
 
 import static com.android.net.module.util.Inet4AddressUtils.inet4AddressToIntHTL;
-import static com.android.testutils.MiscAssertsKt.assertFieldCountEquals;
-import static com.android.testutils.ParcelUtilsKt.parcelingRoundTrip;
+import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
+import static com.android.testutils.ParcelUtils.parcelingRoundTrip;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/tests/net/common/java/android/net/IpPrefixTest.java b/tests/net/common/java/android/net/IpPrefixTest.java
index 985e10d..9c0fc7c 100644
--- a/tests/net/common/java/android/net/IpPrefixTest.java
+++ b/tests/net/common/java/android/net/IpPrefixTest.java
@@ -16,10 +16,10 @@
 
 package android.net;
 
-import static com.android.testutils.MiscAssertsKt.assertEqualBothWays;
-import static com.android.testutils.MiscAssertsKt.assertFieldCountEquals;
-import static com.android.testutils.MiscAssertsKt.assertNotEqualEitherWay;
-import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
+import static com.android.testutils.MiscAsserts.assertEqualBothWays;
+import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
+import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
diff --git a/tests/net/common/java/android/net/LinkAddressTest.java b/tests/net/common/java/android/net/LinkAddressTest.java
index c74c112..60308e3 100644
--- a/tests/net/common/java/android/net/LinkAddressTest.java
+++ b/tests/net/common/java/android/net/LinkAddressTest.java
@@ -27,10 +27,10 @@
 import static android.system.OsConstants.RT_SCOPE_SITE;
 import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
-import static com.android.testutils.MiscAssertsKt.assertEqualBothWays;
-import static com.android.testutils.MiscAssertsKt.assertFieldCountEquals;
-import static com.android.testutils.MiscAssertsKt.assertNotEqualEitherWay;
-import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
+import static com.android.testutils.MiscAsserts.assertEqualBothWays;
+import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
+import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/tests/net/common/java/android/net/LinkPropertiesTest.java b/tests/net/common/java/android/net/LinkPropertiesTest.java
index 6eba62e..f52ab5b 100644
--- a/tests/net/common/java/android/net/LinkPropertiesTest.java
+++ b/tests/net/common/java/android/net/LinkPropertiesTest.java
@@ -20,9 +20,9 @@
 import static android.net.RouteInfo.RTN_UNICAST;
 import static android.net.RouteInfo.RTN_UNREACHABLE;
 
-import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
-import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
-import static com.android.testutils.ParcelUtilsKt.parcelingRoundTrip;
+import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
+import static com.android.testutils.ParcelUtils.parcelingRoundTrip;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -32,7 +32,6 @@
 import static org.junit.Assert.fail;
 
 import android.net.LinkProperties.ProvisioningChange;
-import android.net.util.LinkPropertiesUtils.CompareResult;
 import android.os.Build;
 import android.system.OsConstants;
 import android.util.ArraySet;
@@ -41,6 +40,7 @@
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import com.android.net.module.util.LinkPropertiesUtils.CompareResult;
 import com.android.testutils.DevSdkIgnoreRule;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter;
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo;
@@ -447,23 +447,21 @@
         assertEquals(3, lp.getRoutes().size());
         assertAllRoutesHaveInterface("wlan0", lp);
 
-        // Check comparisons work.
+        // Check routes are updated correctly when calling setInterfaceName.
         LinkProperties lp2 = new LinkProperties(lp);
         assertAllRoutesHaveInterface("wlan0", lp2);
-        // LinkProperties#compareAllRoutes exists both in R and before R, but the return type
-        // changed in R, so a test compiled with the R version of LinkProperties cannot run on Q.
-        if (isAtLeastR()) {
-            assertEquals(0, lp.compareAllRoutes(lp2).added.size());
-            assertEquals(0, lp.compareAllRoutes(lp2).removed.size());
-        }
+        final CompareResult<RouteInfo> cr1 =
+                new CompareResult<>(lp.getAllRoutes(), lp2.getAllRoutes());
+        assertEquals(0, cr1.added.size());
+        assertEquals(0, cr1.removed.size());
 
         lp2.setInterfaceName("p2p0");
         assertAllRoutesHaveInterface("p2p0", lp2);
         assertAllRoutesNotHaveInterface("wlan0", lp2);
-        if (isAtLeastR()) {
-            assertEquals(3, lp.compareAllRoutes(lp2).added.size());
-            assertEquals(3, lp.compareAllRoutes(lp2).removed.size());
-        }
+        final CompareResult<RouteInfo> cr2 =
+                new CompareResult<>(lp.getAllRoutes(), lp2.getAllRoutes());
+        assertEquals(3, cr2.added.size());
+        assertEquals(3, cr2.removed.size());
 
         // Remove route with incorrect interface, no route removed.
         lp.removeRoute(new RouteInfo(prefix2, null, null));
diff --git a/tests/net/common/java/android/net/MatchAllNetworkSpecifierTest.kt b/tests/net/common/java/android/net/MatchAllNetworkSpecifierTest.kt
index ef15b66..a5e44d5 100644
--- a/tests/net/common/java/android/net/MatchAllNetworkSpecifierTest.kt
+++ b/tests/net/common/java/android/net/MatchAllNetworkSpecifierTest.kt
@@ -19,13 +19,19 @@
 import android.net.wifi.aware.DiscoverySession
 import android.net.wifi.aware.PeerHandle
 import android.net.wifi.aware.WifiAwareNetworkSpecifier
+import android.os.Build
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
 
 import com.android.testutils.assertParcelSane
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRule.IgnoreAfter
+import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
 
 import java.lang.IllegalStateException
 
+import org.junit.Assert.assertFalse
+import org.junit.Rule
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mockito
@@ -33,18 +39,37 @@
 @RunWith(AndroidJUnit4::class)
 @SmallTest
 class MatchAllNetworkSpecifierTest {
+    @Rule @JvmField
+    val ignoreRule: DevSdkIgnoreRule = DevSdkIgnoreRule()
+
+    private val specifier = MatchAllNetworkSpecifier()
+    private val discoverySession = Mockito.mock(DiscoverySession::class.java)
+    private val peerHandle = Mockito.mock(PeerHandle::class.java)
+    private val wifiAwareNetworkSpecifier = WifiAwareNetworkSpecifier.Builder(discoverySession,
+            peerHandle).build()
+
     @Test
     fun testParcel() {
         assertParcelSane(MatchAllNetworkSpecifier(), 0)
     }
 
+    @Test
+    @IgnoreUpTo(Build.VERSION_CODES.Q)
+    @IgnoreAfter(Build.VERSION_CODES.R)
+    // Only run this test on Android R.
+    // The method - satisfiedBy() has changed to canBeSatisfiedBy() starting from Android R, so the
+    // method - canBeSatisfiedBy() cannot be found when running this test on Android Q.
+    fun testCanBeSatisfiedBy_OnlyForR() {
+        // MatchAllNetworkSpecifier didn't follow its parent class to change the satisfiedBy() to
+        // canBeSatisfiedBy(), so if a caller calls MatchAllNetworkSpecifier#canBeSatisfiedBy(), the
+        // NetworkSpecifier#canBeSatisfiedBy() will be called actually, and false will be returned.
+        // Although it's not meeting the expectation, the behavior still needs to be verified.
+        assertFalse(specifier.canBeSatisfiedBy(wifiAwareNetworkSpecifier))
+    }
+
     @Test(expected = IllegalStateException::class)
-    fun testSatisfiedBy() {
-        val specifier = MatchAllNetworkSpecifier()
-        val discoverySession = Mockito.mock(DiscoverySession::class.java)
-        val peerHandle = Mockito.mock(PeerHandle::class.java)
-        val wifiAwareNetworkSpecifier = WifiAwareNetworkSpecifier.Builder(discoverySession,
-                peerHandle).build()
-        specifier.satisfiedBy(wifiAwareNetworkSpecifier)
+    @IgnoreUpTo(Build.VERSION_CODES.R)
+    fun testCanBeSatisfiedBy() {
+        specifier.canBeSatisfiedBy(wifiAwareNetworkSpecifier)
     }
 }
diff --git a/tests/net/common/java/android/net/NetworkCapabilitiesTest.java b/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
index 3f8261d..e169312 100644
--- a/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
+++ b/tests/net/common/java/android/net/NetworkCapabilitiesTest.java
@@ -42,8 +42,8 @@
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
 import static android.net.NetworkCapabilities.UNRESTRICTED_CAPABILITIES;
 
-import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
-import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
+import static com.android.testutils.ParcelUtils.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
diff --git a/tests/net/common/java/android/net/NetworkProviderTest.kt b/tests/net/common/java/android/net/NetworkProviderTest.kt
index b7c47c2..dd3f5be 100644
--- a/tests/net/common/java/android/net/NetworkProviderTest.kt
+++ b/tests/net/common/java/android/net/NetworkProviderTest.kt
@@ -19,23 +19,23 @@
 import android.app.Instrumentation
 import android.content.Context
 import android.net.NetworkCapabilities.TRANSPORT_TEST
+import android.net.NetworkProviderTest.TestNetworkCallback.CallbackEntry.OnUnavailable
+import android.net.NetworkProviderTest.TestNetworkProvider.CallbackEntry.OnNetworkRequestWithdrawn
+import android.net.NetworkProviderTest.TestNetworkProvider.CallbackEntry.OnNetworkRequested
 import android.os.Build
 import android.os.HandlerThread
 import android.os.Looper
-import android.net.NetworkProviderTest.TestNetworkCallback.CallbackEntry.OnUnavailable
-import android.net.NetworkProviderTest.TestNetworkProvider.CallbackEntry.OnNetworkRequested
-import android.net.NetworkProviderTest.TestNetworkProvider.CallbackEntry.OnNetworkRequestWithdrawn
 import androidx.test.InstrumentationRegistry
-import com.android.testutils.ArrayTrackRecord
+import com.android.net.module.util.ArrayTrackRecord
 import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
 import com.android.testutils.DevSdkIgnoreRunner
-import java.util.UUID
-import kotlin.test.assertEquals
-import kotlin.test.assertNotEquals
 import org.junit.After
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import java.util.UUID
+import kotlin.test.assertEquals
+import kotlin.test.assertNotEquals
 
 private const val DEFAULT_TIMEOUT_MS = 5000L
 private val instrumentation: Instrumentation
diff --git a/tests/net/common/java/android/net/RouteInfoTest.java b/tests/net/common/java/android/net/RouteInfoTest.java
index 60cac0b..71689f9 100644
--- a/tests/net/common/java/android/net/RouteInfoTest.java
+++ b/tests/net/common/java/android/net/RouteInfoTest.java
@@ -18,10 +18,10 @@
 
 import static android.net.RouteInfo.RTN_UNREACHABLE;
 
-import static com.android.testutils.MiscAssertsKt.assertEqualBothWays;
-import static com.android.testutils.MiscAssertsKt.assertFieldCountEquals;
-import static com.android.testutils.MiscAssertsKt.assertNotEqualEitherWay;
-import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
+import static com.android.testutils.MiscAsserts.assertEqualBothWays;
+import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
+import static com.android.testutils.MiscAsserts.assertNotEqualEitherWay;
+import static com.android.testutils.ParcelUtils.assertParcelingIsLossless;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/tests/net/common/java/android/net/apf/ApfCapabilitiesTest.java b/tests/net/common/java/android/net/apf/ApfCapabilitiesTest.java
index 8480544..d50406f 100644
--- a/tests/net/common/java/android/net/apf/ApfCapabilitiesTest.java
+++ b/tests/net/common/java/android/net/apf/ApfCapabilitiesTest.java
@@ -16,7 +16,7 @@
 
 package android.net.apf;
 
-import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
+import static com.android.testutils.ParcelUtils.assertParcelSane;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
diff --git a/tests/net/integration/util/com/android/server/ConnectivityServiceTestUtils.kt b/tests/net/integration/util/com/android/server/ConnectivityServiceTestUtils.kt
index fa2b99c..165fd37 100644
--- a/tests/net/integration/util/com/android/server/ConnectivityServiceTestUtils.kt
+++ b/tests/net/integration/util/com/android/server/ConnectivityServiceTestUtils.kt
@@ -14,6 +14,8 @@
  * limitations under the License
  */
 
+@file:JvmName("ConnectivityServiceTestUtils")
+
 package com.android.server
 
 import android.net.ConnectivityManager.TYPE_BLUETOOTH
diff --git a/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java b/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
index 0ffafd4..9f0b41f 100644
--- a/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
+++ b/tests/net/integration/util/com/android/server/NetworkAgentWrapper.java
@@ -24,7 +24,7 @@
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI_AWARE;
 
-import static com.android.server.ConnectivityServiceTestUtilsKt.transportToLegacyType;
+import static com.android.server.ConnectivityServiceTestUtils.transportToLegacyType;
 
 import static junit.framework.Assert.assertTrue;
 
@@ -49,7 +49,7 @@
 import android.util.Log;
 
 import com.android.server.connectivity.ConnectivityConstants;
-import com.android.testutils.HandlerUtilsKt;
+import com.android.testutils.HandlerUtils;
 import com.android.testutils.TestableNetworkCallback;
 
 import java.util.Set;
@@ -265,6 +265,6 @@
     }
 
     public void waitForIdle(long timeoutMs) {
-        HandlerUtilsKt.waitForIdle(mHandlerThread, timeoutMs);
+        HandlerUtils.waitForIdle(mHandlerThread, timeoutMs);
     }
 }
diff --git a/tests/net/java/android/net/MacAddressTest.java b/tests/net/java/android/net/MacAddressTest.java
index 91c9a2a..6de31f6 100644
--- a/tests/net/java/android/net/MacAddressTest.java
+++ b/tests/net/java/android/net/MacAddressTest.java
@@ -22,11 +22,11 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import android.net.util.MacAddressUtils;
-
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import com.android.net.module.util.MacAddressUtils;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
diff --git a/tests/net/java/com/android/server/NetIdManagerTest.kt b/tests/net/java/com/android/server/NetIdManagerTest.kt
index 045f89f..6f5e740 100644
--- a/tests/net/java/com/android/server/NetIdManagerTest.kt
+++ b/tests/net/java/com/android/server/NetIdManagerTest.kt
@@ -19,8 +19,8 @@
 import androidx.test.filters.SmallTest
 import androidx.test.runner.AndroidJUnit4
 import com.android.server.NetIdManager.MIN_NET_ID
-import com.android.testutils.ExceptionUtils.ThrowingRunnable
 import com.android.testutils.assertThrows
+import com.android.testutils.ExceptionUtils.ThrowingRunnable
 import org.junit.Test
 import org.junit.runner.RunWith
 import kotlin.test.assertEquals