diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 111a8c4..5c65238 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -3265,42 +3265,77 @@
 
         /**
          * Called when the framework connects and has declared a new network ready for use.
-         * This callback may be called more than once if the {@link Network} that is
-         * satisfying the request changes. This will always immediately be followed by a
-         * call to {@link #onCapabilitiesChanged(Network, NetworkCapabilities)} then by a
-         * call to {@link #onLinkPropertiesChanged(Network, LinkProperties)}, and a call to
-         * {@link #onBlockedStatusChanged(Network, boolean)}.
+         *
+         * <p>For callbacks registered with {@link #registerNetworkCallback}, multiple networks may
+         * be available at the same time, and onAvailable will be called for each of these as they
+         * appear.
+         *
+         * <p>For callbacks registered with {@link #requestNetwork} and
+         * {@link #registerDefaultNetworkCallback}, this means the network passed as an argument
+         * is the new best network for this request and is now tracked by this callback ; this
+         * callback will no longer receive method calls about other networks that may have been
+         * passed to this method previously. The previously-best network may have disconnected, or
+         * it may still be around and the newly-best network may simply be better.
+         *
+         * <p>Starting with {@link android.os.Build.VERSION_CODES#O}, this will always immediately
+         * be followed by a call to {@link #onCapabilitiesChanged(Network, NetworkCapabilities)}
+         * then by a call to {@link #onLinkPropertiesChanged(Network, LinkProperties)}, and a call
+         * to {@link #onBlockedStatusChanged(Network, boolean)}.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions (there is no guarantee the objects
+         * returned by these methods will be current). Instead, wait for a call to
+         * {@link #onCapabilitiesChanged(Network, NetworkCapabilities)} and
+         * {@link #onLinkPropertiesChanged(Network, LinkProperties)} whose arguments are guaranteed
+         * to be well-ordered with respect to other callbacks.
          *
          * @param network The {@link Network} of the satisfying network.
          */
         public void onAvailable(@NonNull Network network) {}
 
         /**
-         * Called when the network is about to be disconnected.  Often paired with an
-         * {@link NetworkCallback#onAvailable} call with the new replacement network
-         * for graceful handover.  This may not be called if we have a hard loss
-         * (loss without warning).  This may be followed by either a
-         * {@link NetworkCallback#onLost} call or a
-         * {@link NetworkCallback#onAvailable} call for this network depending
-         * on whether we lose or regain it.
+         * Called when the network is about to be lost, typically because there are no outstanding
+         * requests left for it. This may be paired with a {@link NetworkCallback#onAvailable} call
+         * with the new replacement network for graceful handover. This method is not guaranteed
+         * to be called before {@link NetworkCallback#onLost} is called, for example in case a
+         * network is suddenly disconnected.
          *
-         * @param network The {@link Network} that is about to be disconnected.
-         * @param maxMsToLive The time in ms the framework will attempt to keep the
-         *                     network connected.  Note that the network may suffer a
-         *                     hard loss at any time.
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions ; calling these methods while in a
+         * callback may return an outdated or even a null object.
+         *
+         * @param network The {@link Network} that is about to be lost.
+         * @param maxMsToLive The time in milliseconds the system intends to keep the network
+         *                    connected for graceful handover; note that the network may still
+         *                    suffer a hard loss at any time.
          */
         public void onLosing(@NonNull Network network, int maxMsToLive) {}
 
         /**
-         * Called when the framework has a hard loss of the network or when the
-         * graceful failure ends.
+         * Called when a network disconnects or otherwise no longer satisfies this request or
+         * callback.
+         *
+         * <p>If the callback was registered with requestNetwork() or
+         * registerDefaultNetworkCallback(), it will only be invoked against the last network
+         * returned by onAvailable() when that network is lost and no other network satisfies
+         * the criteria of the request.
+         *
+         * <p>If the callback was registered with registerNetworkCallback() it will be called for
+         * each network which no longer satisfies the criteria of the callback.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions ; calling these methods while in a
+         * callback may return an outdated or even a null object.
          *
          * @param network The {@link Network} lost.
          */
         public void onLost(@NonNull Network network) {}
 
         /**
-         * Called if no network is found in the timeout time specified in
+         * Called if no network is found within the timeout time specified in
          * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)} call or if the
          * requested network request cannot be fulfilled (whether or not a timeout was
          * specified). When this callback is invoked the associated
@@ -3310,8 +3345,15 @@
         public void onUnavailable() {}
 
         /**
-         * Called when the network the framework connected to for this request
-         * changes capabilities but still satisfies the stated need.
+         * Called when the network corresponding to this request changes capabilities but still
+         * satisfies the requested criteria.
+         *
+         * <p>Starting with {@link android.os.Build.VERSION_CODES#O} this method is guaranteed
+         * to be called immediately after {@link #onAvailable}.
+         *
+         * <p>Do NOT call {@link #getLinkProperties(Network)} or other synchronous
+         * ConnectivityManager methods in this callback as this is prone to race conditions :
+         * calling these methods while in a callback may return an outdated or even a null object.
          *
          * @param network The {@link Network} whose capabilities have changed.
          * @param networkCapabilities The new {@link android.net.NetworkCapabilities} for this
@@ -3321,8 +3363,14 @@
                 @NonNull NetworkCapabilities networkCapabilities) {}
 
         /**
-         * Called when the network the framework connected to for this request
-         * changes {@link LinkProperties}.
+         * Called when the network corresponding to this request changes {@link LinkProperties}.
+         *
+         * <p>Starting with {@link android.os.Build.VERSION_CODES#O} this method is guaranteed
+         * to be called immediately after {@link #onAvailable}.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or other synchronous
+         * ConnectivityManager methods in this callback as this is prone to race conditions :
+         * calling these methods while in a callback may return an outdated or even a null object.
          *
          * @param network The {@link Network} whose link properties have changed.
          * @param linkProperties The new {@link LinkProperties} for this network.
@@ -3331,12 +3379,20 @@
                 @NonNull LinkProperties linkProperties) {}
 
         /**
-         * Called when the network the framework connected to for this request
-         * goes into {@link NetworkInfo.State#SUSPENDED}.
-         * This generally means that while the TCP connections are still live,
-         * temporarily network data fails to transfer.  Specifically this is used
-         * on cellular networks to mask temporary outages when driving through
-         * a tunnel, etc.
+         * Called when the network the framework connected to for this request suspends data
+         * transmission temporarily.
+         *
+         * <p>This generally means that while the TCP connections are still live temporarily
+         * network data fails to transfer. To give a specific example, this is used on cellular
+         * networks to mask temporary outages when driving through a tunnel, etc. In general this
+         * means read operations on sockets on this network will block once the buffers are
+         * drained, and write operations will block once the buffers are full.
+         *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions (there is no guarantee the objects
+         * returned by these methods will be current).
+         *
          * @hide
          */
         public void onNetworkSuspended(@NonNull Network network) {}
@@ -3345,6 +3401,12 @@
          * Called when the network the framework connected to for this request
          * returns from a {@link NetworkInfo.State#SUSPENDED} state. This should always be
          * preceded by a matching {@link NetworkCallback#onNetworkSuspended} call.
+
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions : calling these methods while in a
+         * callback may return an outdated or even a null object.
+         *
          * @hide
          */
         public void onNetworkResumed(@NonNull Network network) {}
@@ -3352,6 +3414,11 @@
         /**
          * Called when access to the specified network is blocked or unblocked.
          *
+         * <p>Do NOT call {@link #getNetworkCapabilities(Network)} or
+         * {@link #getLinkProperties(Network)} or other synchronous ConnectivityManager methods in
+         * this callback as this is prone to race conditions : calling these methods while in a
+         * callback may return an outdated or even a null object.
+         *
          * @param network The {@link Network} whose blocked status has changed.
          * @param blocked The blocked status of this {@link Network}.
          */
@@ -3588,13 +3655,51 @@
     /**
      * Request a network to satisfy a set of {@link android.net.NetworkCapabilities}.
      *
-     * This {@link NetworkRequest} will live until released via
-     * {@link #unregisterNetworkCallback(NetworkCallback)} or the calling application exits. A
-     * version of the method which takes a timeout is
-     * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)}.
-     * Status of the request can be followed by listening to the various
-     * callbacks described in {@link NetworkCallback}.  The {@link Network}
-     * can be used to direct traffic to the network.
+     * <p>This method will attempt to find the best network that matches the passed
+     * {@link NetworkRequest}, and to bring up one that does if none currently satisfies the
+     * criteria. The platform will evaluate which network is the best at its own discretion.
+     * Throughput, latency, cost per byte, policy, user preference and other considerations
+     * may be factored in the decision of what is considered the best network.
+     *
+     * <p>As long as this request is outstanding, the platform will try to maintain the best network
+     * matching this request, while always attempting to match the request to a better network if
+     * possible. If a better match is found, the platform will switch this request to the now-best
+     * network and inform the app of the newly best network by invoking
+     * {@link NetworkCallback#onAvailable(Network)} on the provided callback. Note that the platform
+     * will not try to maintain any other network than the best one currently matching the request:
+     * a network not matching any network request may be disconnected at any time.
+     *
+     * <p>For example, an application could use this method to obtain a connected cellular network
+     * even if the device currently has a data connection over Ethernet. This may cause the cellular
+     * radio to consume additional power. Or, an application could inform the system that it wants
+     * a network supporting sending MMSes and have the system let it know about the currently best
+     * MMS-supporting network through the provided {@link NetworkCallback}.
+     *
+     * <p>The status of the request can be followed by listening to the various callbacks described
+     * in {@link NetworkCallback}. The {@link Network} object passed to the callback methods can be
+     * used to direct traffic to the network (although accessing some networks may be subject to
+     * holding specific permissions). Callers will learn about the specific characteristics of the
+     * network through
+     * {@link NetworkCallback#onCapabilitiesChanged(Network, NetworkCapabilities)} and
+     * {@link NetworkCallback#onLinkPropertiesChanged(Network, LinkProperties)}. The methods of the
+     * provided {@link NetworkCallback} will only be invoked due to changes in the best network
+     * matching the request at any given time; therefore when a better network matching the request
+     * becomes available, the {@link NetworkCallback#onAvailable(Network)} method is called
+     * with the new network after which no further updates are given about the previously-best
+     * network, unless it becomes the best again at some later time. All callbacks are invoked
+     * in order on the same thread, which by default is a thread created by the framework running
+     * in the app.
+     * {@see #requestNetwork(NetworkRequest, NetworkCallback, Handler)} to change where the
+     * callbacks are invoked.
+     *
+     * <p>This{@link NetworkRequest} will live until released via
+     * {@link #unregisterNetworkCallback(NetworkCallback)} or the calling application exits, at
+     * which point the system may let go of the network at any time.
+     *
+     * <p>A version of this method which takes a timeout is
+     * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)}, that an app can use to only
+     * wait for a limited amount of time for the network to become unavailable.
+     *
      * <p>It is presently unsupported to request a network with mutable
      * {@link NetworkCapabilities} such as
      * {@link NetworkCapabilities#NET_CAPABILITY_VALIDATED} or
@@ -3602,7 +3707,7 @@
      * as these {@code NetworkCapabilities} represent states that a particular
      * network may never attain, and whether a network will attain these states
      * is unknown prior to bringing up the network so the framework does not
-     * know how to go about satisfing a request with these capabilities.
+     * know how to go about satisfying a request with these capabilities.
      *
      * <p>This method requires the caller to hold either the
      * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
@@ -3625,34 +3730,17 @@
     /**
      * Request a network to satisfy a set of {@link android.net.NetworkCapabilities}.
      *
-     * This {@link NetworkRequest} will live until released via
-     * {@link #unregisterNetworkCallback(NetworkCallback)} or the calling application exits. A
-     * version of the method which takes a timeout is
-     * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)}.
-     * Status of the request can be followed by listening to the various
-     * callbacks described in {@link NetworkCallback}.  The {@link Network}
-     * can be used to direct traffic to the network.
-     * <p>It is presently unsupported to request a network with mutable
-     * {@link NetworkCapabilities} such as
-     * {@link NetworkCapabilities#NET_CAPABILITY_VALIDATED} or
-     * {@link NetworkCapabilities#NET_CAPABILITY_CAPTIVE_PORTAL}
-     * as these {@code NetworkCapabilities} represent states that a particular
-     * network may never attain, and whether a network will attain these states
-     * is unknown prior to bringing up the network so the framework does not
-     * know how to go about satisfying a request with these capabilities.
+     * This method behaves identically to {@link #requestNetwork(NetworkRequest, NetworkCallback)}
+     * but runs all the callbacks on the passed Handler.
      *
-     * <p>This method requires the caller to hold either the
-     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
-     * or the ability to modify system settings as determined by
-     * {@link android.provider.Settings.System#canWrite}.</p>
+     * <p>This method has the same permission requirements as
+     * {@link #requestNetwork(NetworkRequest, NetworkCallback)} and throws the same exceptions in
+     * the same conditions.
      *
      * @param request {@link NetworkRequest} describing this request.
      * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
      *                        the callback must not be shared - it uniquely specifies this request.
      * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
-     * @throws IllegalArgumentException if {@code request} contains invalid network capabilities.
-     * @throws SecurityException if missing the appropriate permissions.
-     * @throws RuntimeException if request limit per UID is exceeded.
      */
     public void requestNetwork(@NonNull NetworkRequest request,
             @NonNull NetworkCallback networkCallback, @NonNull Handler handler) {
@@ -3677,10 +3765,9 @@
      * timeout) - {@link #registerNetworkCallback(NetworkRequest, NetworkCallback)} is provided
      * for that purpose. Calling this method will attempt to bring up the requested network.
      *
-     * <p>This method requires the caller to hold either the
-     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
-     * or the ability to modify system settings as determined by
-     * {@link android.provider.Settings.System#canWrite}.</p>
+     * <p>This method has the same permission requirements as
+     * {@link #requestNetwork(NetworkRequest, NetworkCallback)} and throws the same exceptions in
+     * the same conditions.
      *
      * @param request {@link NetworkRequest} describing this request.
      * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
@@ -3688,9 +3775,6 @@
      * @param timeoutMs The time in milliseconds to attempt looking for a suitable network
      *                  before {@link NetworkCallback#onUnavailable()} is called. The timeout must
      *                  be a positive value (i.e. >0).
-     * @throws IllegalArgumentException if {@code request} contains invalid network capabilities.
-     * @throws SecurityException if missing the appropriate permissions.
-     * @throws RuntimeException if request limit per UID is exceeded.
      */
     public void requestNetwork(@NonNull NetworkRequest request,
             @NonNull NetworkCallback networkCallback, int timeoutMs) {
@@ -3703,21 +3787,13 @@
      * Request a network to satisfy a set of {@link android.net.NetworkCapabilities}, limited
      * by a timeout.
      *
-     * This function behaves identically to the version without timeout, but if a suitable
-     * network is not found within the given time (in milliseconds) the
-     * {@link NetworkCallback#onUnavailable} callback is called. The request can still be
-     * released normally by calling {@link #unregisterNetworkCallback(NetworkCallback)} but does
-     * not have to be released if timed-out (it is automatically released). Unregistering a
-     * request that timed out is not an error.
+     * This method behaves identically to
+     * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)} but runs all the callbacks
+     * on the passed Handler.
      *
-     * <p>Do not use this method to poll for the existence of specific networks (e.g. with a small
-     * timeout) - {@link #registerNetworkCallback(NetworkRequest, NetworkCallback)} is provided
-     * for that purpose. Calling this method will attempt to bring up the requested network.
-     *
-     * <p>This method requires the caller to hold either the
-     * {@link android.Manifest.permission#CHANGE_NETWORK_STATE} permission
-     * or the ability to modify system settings as determined by
-     * {@link android.provider.Settings.System#canWrite}.</p>
+     * <p>This method has the same permission requirements as
+     * {@link #requestNetwork(NetworkRequest, NetworkCallback, int)} and throws the same exceptions
+     * in the same conditions.
      *
      * @param request {@link NetworkRequest} describing this request.
      * @param networkCallback The {@link NetworkCallback} to be utilized for this request. Note
@@ -3725,9 +3801,6 @@
      * @param handler {@link Handler} to specify the thread upon which the callback will be invoked.
      * @param timeoutMs The time in milliseconds to attempt looking for a suitable network
      *                  before {@link NetworkCallback#onUnavailable} is called.
-     * @throws IllegalArgumentException if {@code request} contains invalid network capabilities.
-     * @throws SecurityException if missing the appropriate permissions.
-     * @throws RuntimeException if request limit per UID is exceeded.
      */
     public void requestNetwork(@NonNull NetworkRequest request,
             @NonNull NetworkCallback networkCallback, @NonNull Handler handler, int timeoutMs) {
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index d3f48ac..3ec0aea 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -68,6 +68,7 @@
     // in the format "rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max"
     private String mTcpBufferSizes;
     private IpPrefix mNat64Prefix;
+    private boolean mWakeOnLanSupported;
 
     private static final int MIN_MTU    = 68;
     private static final int MIN_MTU_V6 = 1280;
@@ -193,6 +194,7 @@
             setMtu(source.mMtu);
             mTcpBufferSizes = source.mTcpBufferSizes;
             mNat64Prefix = source.mNat64Prefix;
+            mWakeOnLanSupported = source.mWakeOnLanSupported;
         }
     }
 
@@ -852,6 +854,7 @@
         mMtu = 0;
         mTcpBufferSizes = null;
         mNat64Prefix = null;
+        mWakeOnLanSupported = false;
     }
 
     /**
@@ -913,6 +916,10 @@
         resultJoiner.add("MTU:");
         resultJoiner.add(Integer.toString(mMtu));
 
+        if (mWakeOnLanSupported) {
+            resultJoiner.add("WakeOnLanSupported: true");
+        }
+
         if (mTcpBufferSizes != null) {
             resultJoiner.add("TcpBufferSizes:");
             resultJoiner.add(mTcpBufferSizes);
@@ -1425,6 +1432,37 @@
     }
 
     /**
+     * Compares this {@code LinkProperties} WakeOnLan supported against the target.
+     *
+     * @param target LinkProperties to compare.
+     * @return {@code true} if both are identical, {@code false} otherwise.
+     * @hide
+     */
+    public boolean isIdenticalWakeOnLan(LinkProperties target) {
+        return isWakeOnLanSupported() == target.isWakeOnLanSupported();
+    }
+
+    /**
+     * Set whether the network interface supports WakeOnLAN
+     *
+     * @param supported WakeOnLAN supported value
+     *
+     * @hide
+     */
+    public void setWakeOnLanSupported(boolean supported) {
+        mWakeOnLanSupported = supported;
+    }
+
+    /**
+     * Returns whether the network interface supports WakeOnLAN
+     *
+     * @return {@code true} if interface supports WakeOnLAN, {@code false} otherwise.
+     */
+    public boolean isWakeOnLanSupported() {
+        return mWakeOnLanSupported;
+    }
+
+    /**
      * Compares this {@code LinkProperties} instance against the target
      * LinkProperties in {@code obj}. Two LinkPropertieses are equal if
      * all their fields are equal in values.
@@ -1461,7 +1499,8 @@
                 && isIdenticalStackedLinks(target)
                 && isIdenticalMtu(target)
                 && isIdenticalTcpBufferSizes(target)
-                && isIdenticalNat64Prefix(target);
+                && isIdenticalNat64Prefix(target)
+                && isIdenticalWakeOnLan(target);
     }
 
     /**
@@ -1577,7 +1616,8 @@
                 + (mUsePrivateDns ? 57 : 0)
                 + mPcscfs.size() * 67
                 + ((null == mPrivateDnsServerName) ? 0 : mPrivateDnsServerName.hashCode())
-                + Objects.hash(mNat64Prefix);
+                + Objects.hash(mNat64Prefix)
+                + (mWakeOnLanSupported ? 71 : 0);
     }
 
     /**
@@ -1622,6 +1662,8 @@
 
         ArrayList<LinkProperties> stackedLinks = new ArrayList<>(mStackedLinks.values());
         dest.writeList(stackedLinks);
+
+        dest.writeBoolean(mWakeOnLanSupported);
     }
 
     /**
@@ -1677,6 +1719,7 @@
                 for (LinkProperties stackedLink: stackedLinks) {
                     netProp.addStackedLink(stackedLink);
                 }
+                netProp.setWakeOnLanSupported(in.readBoolean());
                 return netProp;
             }
 
diff --git a/core/java/android/net/MacAddress.java b/core/java/android/net/MacAddress.java
index a809b28..2cf2a65 100644
--- a/core/java/android/net/MacAddress.java
+++ b/core/java/android/net/MacAddress.java
@@ -85,6 +85,9 @@
     private static final long OUI_MASK = MacAddress.fromString("ff:ff:ff:0:0:0").mAddr;
     private static final long NIC_MASK = MacAddress.fromString("0:0:0:ff:ff:ff").mAddr;
     private static final MacAddress BASE_GOOGLE_MAC = MacAddress.fromString("da:a1:19:0:0:0");
+    /** Default wifi MAC address used for a special purpose **/
+    private static final MacAddress DEFAULT_MAC_ADDRESS =
+            MacAddress.fromString(WifiInfo.DEFAULT_MAC_ADDRESS);
 
     // Internal representation of the MAC address as a single 8 byte long.
     // The encoding scheme sets the two most significant bytes to 0. The 6 bytes of the
@@ -361,16 +364,7 @@
      * @hide
      */
     public static @NonNull MacAddress createRandomUnicastAddress() {
-        SecureRandom r = new SecureRandom();
-        long addr = r.nextLong() & VALID_LONG_MASK;
-        addr |= LOCALLY_ASSIGNED_MASK;
-        addr &= ~MULTICAST_MASK;
-        MacAddress mac = new MacAddress(addr);
-        // WifiInfo.DEFAULT_MAC_ADDRESS is being used for another purpose, so do not use it here.
-        if (mac.toString().equals(WifiInfo.DEFAULT_MAC_ADDRESS)) {
-            return createRandomUnicastAddress();
-        }
-        return mac;
+        return createRandomUnicastAddress(null, new SecureRandom());
     }
 
     /**
@@ -380,18 +374,23 @@
      * The locally assigned bit is always set to 1. The multicast bit is always set to 0.
      *
      * @param base a base MacAddress whose OUI is used for generating the random address.
+     *             If base == null then the OUI will also be randomized.
      * @param r a standard Java Random object used for generating the random address.
      * @return a random locally assigned MacAddress.
      *
      * @hide
      */
     public static @NonNull MacAddress createRandomUnicastAddress(MacAddress base, Random r) {
-        long addr = (base.mAddr & OUI_MASK) | (NIC_MASK & r.nextLong());
+        long addr;
+        if (base == null) {
+            addr = r.nextLong() & VALID_LONG_MASK;
+        } else {
+            addr = (base.mAddr & OUI_MASK) | (NIC_MASK & r.nextLong());
+        }
         addr |= LOCALLY_ASSIGNED_MASK;
         addr &= ~MULTICAST_MASK;
         MacAddress mac = new MacAddress(addr);
-        // WifiInfo.DEFAULT_MAC_ADDRESS is being used for another purpose, so do not use it here.
-        if (mac.toString().equals(WifiInfo.DEFAULT_MAC_ADDRESS)) {
+        if (mac.equals(DEFAULT_MAC_ADDRESS)) {
             return createRandomUnicastAddress(base, r);
         }
         return mac;
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 18a8148..e0f60b4 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -495,7 +495,7 @@
       * arg1 = One of the NETWORK_TESTED_RESULT_* constants.
       * arg2 = NetID.
       */
-    public static final int EVENT_NETWORK_TESTED = 41;
+    private static final int EVENT_NETWORK_TESTED = 41;
 
     /**
      * Event for NetworkMonitor/NetworkAgentInfo to inform ConnectivityService that the private DNS
@@ -503,7 +503,7 @@
      * obj = PrivateDnsConfig
      * arg2 = netid
      */
-    public static final int EVENT_PRIVATE_DNS_CONFIG_RESOLVED = 42;
+    private static final int EVENT_PRIVATE_DNS_CONFIG_RESOLVED = 42;
 
     /**
      * Request ConnectivityService display provisioning notification.
@@ -511,12 +511,12 @@
      * arg2    = NetID.
      * obj     = Intent to be launched when notification selected by user, null if !arg1.
      */
-    public static final int EVENT_PROVISIONING_NOTIFICATION = 43;
+    private static final int EVENT_PROVISIONING_NOTIFICATION = 43;
 
     /**
      * This event can handle dismissing notification by given network id.
      */
-    public static final int EVENT_TIMEOUT_NOTIFICATION = 44;
+    private static final int EVENT_TIMEOUT_NOTIFICATION = 44;
 
     /**
      * Used to specify whether a network should be used even if connectivity is partial.
@@ -531,13 +531,13 @@
      * Argument for {@link #EVENT_PROVISIONING_NOTIFICATION} to indicate that the notification
      * should be shown.
      */
-    public static final int PROVISIONING_NOTIFICATION_SHOW = 1;
+    private static final int PROVISIONING_NOTIFICATION_SHOW = 1;
 
     /**
      * Argument for {@link #EVENT_PROVISIONING_NOTIFICATION} to indicate that the notification
      * should be hidden.
      */
-    public static final int PROVISIONING_NOTIFICATION_HIDE = 0;
+    private static final int PROVISIONING_NOTIFICATION_HIDE = 0;
 
     private static String eventName(int what) {
         return sMagicDecoderRing.get(what, Integer.toString(what));
@@ -579,6 +579,8 @@
     // the set of network types that can only be enabled by system/sig apps
     private List mProtectedNetworks;
 
+    private Set<String> mWolSupportedInterfaces;
+
     private TelephonyManager mTelephonyManager;
 
     private KeepaliveTracker mKeepaliveTracker;
@@ -1055,6 +1057,10 @@
             }
         }
 
+        mWolSupportedInterfaces = new ArraySet(
+                mContext.getResources().getStringArray(
+                        com.android.internal.R.array.config_wakeonlan_supported_interfaces));
+
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
 
         mTethering = deps.makeTethering(mContext, mNMS, mStatsService, mPolicyManager,
@@ -1938,7 +1944,7 @@
             }
         }
 
-        return mPolicyManagerInternal.isUidNetworkingBlocked(uid, uidRules,
+        return NetworkPolicyManagerInternal.isUidNetworkingBlocked(uid, uidRules,
                 isNetworkMetered, isBackgroundRestricted);
     }
 
@@ -2204,7 +2210,7 @@
         final String iface = networkAgent.linkProperties.getInterfaceName();
 
         final int timeout;
-        int type = ConnectivityManager.TYPE_NONE;
+        final int type;
 
         if (networkAgent.networkCapabilities.hasTransport(
                 NetworkCapabilities.TRANSPORT_CELLULAR)) {
@@ -2219,11 +2225,10 @@
                                              15);
             type = ConnectivityManager.TYPE_WIFI;
         } else {
-            // do not track any other networks
-            timeout = 0;
+            return; // do not track any other networks
         }
 
-        if (timeout > 0 && iface != null && type != ConnectivityManager.TYPE_NONE) {
+        if (timeout > 0 && iface != null) {
             try {
                 mNMS.addIdleTimer(iface, timeout, type);
             } catch (Exception e) {
@@ -2299,7 +2304,6 @@
 
     @VisibleForTesting
     protected static final String DEFAULT_TCP_BUFFER_SIZES = "4096,87380,110208,4096,16384,110208";
-    private static final String DEFAULT_TCP_RWND_KEY = "net.tcp.default_init_rwnd";
 
     private void updateTcpBufferSizes(String tcpBufferSizes) {
         String[] values = null;
@@ -2375,7 +2379,8 @@
     }
 
     @Override
-    protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
+    protected void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter writer,
+            @Nullable String[] args) {
         PriorityDump.dump(mPriorityDumper, fd, writer, args);
     }
 
@@ -2837,7 +2842,7 @@
 
         private NetworkMonitorCallbacks(NetworkAgentInfo nai) {
             mNetId = nai.network.netId;
-            mNai = new AutodestructReference(nai);
+            mNai = new AutodestructReference<>(nai);
         }
 
         @Override
@@ -3269,7 +3274,8 @@
         final NetworkRequestInfo nri = mNetworkRequests.get(request);
 
         if (nri != null) {
-            if (Process.SYSTEM_UID != callingUid && nri.mUid != callingUid) {
+            if (Process.SYSTEM_UID != callingUid && Process.NETWORK_STACK_UID != callingUid
+                    && nri.mUid != callingUid) {
                 log(String.format("UID %d attempted to %s for unowned request %s",
                         callingUid, requestedOperation, nri));
                 return null;
@@ -4292,7 +4298,7 @@
         public void onChange(boolean selfChange, Uri uri) {
             final Integer what = mUriEventMap.get(uri);
             if (what != null) {
-                mHandler.obtainMessage(what.intValue()).sendToTarget();
+                mHandler.obtainMessage(what).sendToTarget();
             } else {
                 loge("No matching event to send for URI=" + uri);
             }
@@ -4729,12 +4735,10 @@
     private static final String ATTR_MNC = "mnc";
 
     private String getProvisioningUrlBaseFromFile() {
-        FileReader fileReader = null;
-        XmlPullParser parser = null;
+        XmlPullParser parser;
         Configuration config = mContext.getResources().getConfiguration();
 
-        try {
-            fileReader = new FileReader(mProvisioningUrlFile);
+        try (FileReader fileReader = new FileReader(mProvisioningUrlFile)) {
             parser = Xml.newPullParser();
             parser.setInput(fileReader);
             XmlUtils.beginDocument(parser, TAG_PROVISIONING_URLS);
@@ -4769,12 +4773,6 @@
             loge("Xml parser exception reading Carrier Provisioning Urls file: " + e);
         } catch (IOException e) {
             loge("I/O exception reading Carrier Provisioning Urls file: " + e);
-        } finally {
-            if (fileReader != null) {
-                try {
-                    fileReader.close();
-                } catch (IOException e) {}
-            }
         }
         return null;
     }
@@ -5104,8 +5102,8 @@
         }
     }
 
-    // This checks that the passed capabilities either do not request a specific SSID/SignalStrength
-    // , or the calling app has permission to do so.
+    // This checks that the passed capabilities either do not request a
+    // specific SSID/SignalStrength, or the calling app has permission to do so.
     private void ensureSufficientPermissionsForRequest(NetworkCapabilities nc,
             int callerPid, int callerUid) {
         if (null != nc.getSSID() && !checkSettingsPermission(callerPid, callerUid)) {
@@ -5238,7 +5236,7 @@
                 final int uid = Binder.getCallingUid();
                 Integer uidReqs = mBandwidthRequests.get(uid);
                 if (uidReqs == null) {
-                    uidReqs = new Integer(0);
+                    uidReqs = 0;
                 }
                 mBandwidthRequests.put(uid, ++uidReqs);
             }
@@ -5572,7 +5570,7 @@
     }
 
     private void updateLinkProperties(NetworkAgentInfo networkAgent, LinkProperties newLp,
-            LinkProperties oldLp) {
+            @NonNull LinkProperties oldLp) {
         int netId = networkAgent.network.netId;
 
         // The NetworkAgentInfo does not know whether clatd is running on its network or not, or
@@ -5608,6 +5606,9 @@
         } else {
             updateProxy(newLp, oldLp);
         }
+
+        updateWakeOnLan(newLp);
+
         // TODO - move this check to cover the whole function
         if (!Objects.equals(newLp, oldLp)) {
             synchronized (networkAgent) {
@@ -5687,7 +5688,7 @@
      */
     private boolean updateRoutes(LinkProperties newLp, LinkProperties oldLp, int netId) {
         // Compare the route diff to determine which routes should be added and removed.
-        CompareResult<RouteInfo> routeDiff = new CompareResult<RouteInfo>(
+        CompareResult<RouteInfo> routeDiff = new CompareResult<>(
                 oldLp != null ? oldLp.getAllRoutes() : null,
                 newLp != null ? newLp.getAllRoutes() : null);
 
@@ -5706,7 +5707,7 @@
             }
         }
         for (RouteInfo route : routeDiff.added) {
-            if (route.hasGateway() == false) continue;
+            if (!route.hasGateway()) continue;
             if (VDBG || DDBG) log("Adding Route [" + route + "] to network " + netId);
             try {
                 mNMS.addRoute(netId, route);
@@ -5778,6 +5779,10 @@
         }
     }
 
+    private void updateWakeOnLan(@NonNull LinkProperties lp) {
+        lp.setWakeOnLanSupported(mWolSupportedInterfaces.contains(lp.getInterfaceName()));
+    }
+
     private int getNetworkPermission(NetworkCapabilities nc) {
         if (!nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED)) {
             return INetd.PERMISSION_SYSTEM;
@@ -5935,8 +5940,8 @@
      *  3. the VPN is fully-routed
      *  4. the VPN interface is non-null
      *
-     * @See INetd#firewallAddUidInterfaceRules
-     * @See INetd#firewallRemoveUidInterfaceRules
+     * @see INetd#firewallAddUidInterfaceRules
+     * @see INetd#firewallRemoveUidInterfaceRules
      */
     private boolean requiresVpnIsolation(@NonNull NetworkAgentInfo nai, NetworkCapabilities nc,
             LinkProperties lp) {
@@ -7051,9 +7056,9 @@
     }
 
     @Override
-    public void onShellCommand(FileDescriptor in, FileDescriptor out,
-            FileDescriptor err, String[] args, ShellCallback callback,
-            ResultReceiver resultReceiver) {
+    public void onShellCommand(@NonNull FileDescriptor in, @NonNull FileDescriptor out,
+            FileDescriptor err, @NonNull String[] args, ShellCallback callback,
+            @NonNull ResultReceiver resultReceiver) {
         (new ShellCmd()).exec(this, in, out, err, args, callback, resultReceiver);
     }
 
diff --git a/services/core/java/com/android/server/connectivity/Nat464Xlat.java b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
index 66bd27c..aea6d8d 100644
--- a/services/core/java/com/android/server/connectivity/Nat464Xlat.java
+++ b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
@@ -16,6 +16,7 @@
 
 package com.android.server.connectivity;
 
+import android.annotation.NonNull;
 import android.net.ConnectivityManager;
 import android.net.IDnsResolver;
 import android.net.INetd;
@@ -325,13 +326,13 @@
      * This is necessary because the LinkProperties in mNetwork come from the transport layer, which
      * has no idea that 464xlat is running on top of it.
      */
-    public void fixupLinkProperties(LinkProperties oldLp, LinkProperties lp) {
+    public void fixupLinkProperties(@NonNull LinkProperties oldLp, @NonNull LinkProperties lp) {
         lp.setNat64Prefix(mNat64Prefix);
 
         if (!isRunning()) {
             return;
         }
-        if (lp == null || lp.getAllInterfaceNames().contains(mIface)) {
+        if (lp.getAllInterfaceNames().contains(mIface)) {
             return;
         }
 
@@ -434,7 +435,7 @@
 
     @Override
     public void interfaceRemoved(String iface) {
-        mNetwork.handler().post(() -> { handleInterfaceRemoved(iface); });
+        mNetwork.handler().post(() -> handleInterfaceRemoved(iface));
     }
 
     @Override
diff --git a/tests/net/Android.bp b/tests/net/Android.bp
index 502aa97..e91abb6 100644
--- a/tests/net/Android.bp
+++ b/tests/net/Android.bp
@@ -20,8 +20,6 @@
         "libdl_android",
         "libhidl-gen-utils",
         "libhidlbase",
-        "libhidltransport",
-        "libhwbinder",
         "libjsoncpp",
         "liblog",
         "liblzma",
diff --git a/tests/net/common/java/android/net/LinkPropertiesTest.java b/tests/net/common/java/android/net/LinkPropertiesTest.java
index b0464d9..ae8285b 100644
--- a/tests/net/common/java/android/net/LinkPropertiesTest.java
+++ b/tests/net/common/java/android/net/LinkPropertiesTest.java
@@ -99,6 +99,7 @@
         assertFalse(lp.isIpv4Provisioned());
         assertFalse(lp.isIpv6Provisioned());
         assertFalse(lp.isPrivateDnsActive());
+        assertFalse(lp.isWakeOnLanSupported());
     }
 
     private LinkProperties makeTestObject() {
@@ -120,6 +121,7 @@
         lp.setMtu(MTU);
         lp.setTcpBufferSizes(TCP_BUFFER_SIZES);
         lp.setNat64Prefix(new IpPrefix("2001:db8:0:64::/96"));
+        lp.setWakeOnLanSupported(true);
         return lp;
     }
 
@@ -158,6 +160,9 @@
         assertTrue(source.isIdenticalTcpBufferSizes(target));
         assertTrue(target.isIdenticalTcpBufferSizes(source));
 
+        assertTrue(source.isIdenticalWakeOnLan(target));
+        assertTrue(target.isIdenticalWakeOnLan(source));
+
         // Check result of equals().
         assertTrue(source.equals(target));
         assertTrue(target.equals(source));
@@ -1057,4 +1062,13 @@
         lp.clear();
         assertFalse(lp.isPrivateDnsActive());
     }
+
+    @Test
+    public void testWakeOnLanSupported() {
+        final LinkProperties lp = makeTestObject();
+        assertTrue(lp.isWakeOnLanSupported());
+
+        lp.clear();
+        assertFalse(lp.isWakeOnLanSupported());
+    }
 }
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index 624c31e..cf3fba8 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -207,7 +207,7 @@
 import com.android.server.net.NetworkPolicyManagerInternal;
 import com.android.testutils.ExceptionUtils;
 import com.android.testutils.HandlerUtilsKt;
-import com.android.testutils.RecorderCallback.CallbackRecord;
+import com.android.testutils.RecorderCallback.CallbackEntry;
 import com.android.testutils.TestableNetworkCallback;
 
 import org.junit.After;
@@ -258,13 +258,13 @@
     private static final String TAG = "ConnectivityServiceTest";
 
     private static final int TIMEOUT_MS = 500;
-    private static final int TEST_LINGER_DELAY_MS = 250;
+    private static final int TEST_LINGER_DELAY_MS = 300;
     // Chosen to be less than the linger timeout. This ensures that we can distinguish between a
     // LOST callback that arrives immediately and a LOST callback that arrives after the linger
     // timeout. For this, our assertions should run fast enough to leave less than
     // (mService.mLingerDelayMs - TEST_CALLBACK_TIMEOUT_MS) between the time callbacks are
     // supposedly fired, and the time we call expectCallback.
-    private static final int TEST_CALLBACK_TIMEOUT_MS = 200;
+    private static final int TEST_CALLBACK_TIMEOUT_MS = 250;
     // Chosen to be less than TEST_CALLBACK_TIMEOUT_MS. This ensures that requests have time to
     // complete before callbacks are verified.
     private static final int TEST_REQUEST_TIMEOUT_MS = 150;
@@ -274,6 +274,7 @@
     private static final String CLAT_PREFIX = "v4-";
     private static final String MOBILE_IFNAME = "test_rmnet_data0";
     private static final String WIFI_IFNAME = "test_wlan0";
+    private static final String WIFI_WOL_IFNAME = "test_wlan_wol";
     private static final String[] EMPTY_STRING_ARRAY = new String[0];
 
     private MockContext mServiceContext;
@@ -343,6 +344,12 @@
                             "mobile_mms,2,0,2,60000,true",
                     });
 
+            when(mResources.getStringArray(
+                    com.android.internal.R.array.config_wakeonlan_supported_interfaces))
+                    .thenReturn(new String[]{
+                            WIFI_WOL_IFNAME,
+                    });
+
             mContentResolver = new MockContentResolver();
             mContentResolver.addProvider(Settings.AUTHORITY, settingsProvider);
         }
@@ -504,6 +511,8 @@
             // Waits for the NetworkAgent to be registered, which includes the creation of the
             // NetworkMonitor.
             waitForIdle(TIMEOUT_MS);
+            HandlerUtilsKt.waitForIdle(mCsHandlerThread, TIMEOUT_MS);
+            HandlerUtilsKt.waitForIdle(ConnectivityThread.get(), TIMEOUT_MS);
         }
 
         @Override
@@ -1464,6 +1473,10 @@
      * received. assertNoCallback may be called at any time.
      */
     private class TestNetworkCallback extends TestableNetworkCallback {
+        TestNetworkCallback() {
+            super(TEST_CALLBACK_TIMEOUT_MS);
+        }
+
         @Override
         public void assertNoCallback() {
             // TODO: better support this use case in TestableNetworkCallback
@@ -1472,12 +1485,12 @@
         }
 
         @Override
-        public <T extends CallbackRecord> T expectCallback(final KClass<T> type, final HasNetwork n,
+        public <T extends CallbackEntry> T expectCallback(final KClass<T> type, final HasNetwork n,
                 final long timeoutMs) {
             final T callback = super.expectCallback(type, n, timeoutMs);
-            if (callback instanceof CallbackRecord.Losing) {
+            if (callback instanceof CallbackEntry.Losing) {
                 // TODO : move this to the specific test(s) needing this rather than here.
-                final CallbackRecord.Losing losing = (CallbackRecord.Losing) callback;
+                final CallbackEntry.Losing losing = (CallbackEntry.Losing) callback;
                 final int maxMsToLive = losing.getMaxMsToLive();
                 String msg = String.format(
                         "Invalid linger time value %d, must be between %d and %d",
@@ -1538,16 +1551,16 @@
 
         cv = waitForConnectivityBroadcasts(2);
         mWiFiNetworkAgent.disconnect();
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        wifiNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        wifiNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         waitFor(cv);
         assertNoCallbacks(genericNetworkCallback, wifiNetworkCallback, cellNetworkCallback);
 
         cv = waitForConnectivityBroadcasts(1);
         mCellNetworkAgent.disconnect();
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         waitFor(cv);
         assertNoCallbacks(genericNetworkCallback, wifiNetworkCallback, cellNetworkCallback);
 
@@ -1568,21 +1581,21 @@
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.connect(true);
         genericNetworkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        genericNetworkCallback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         genericNetworkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         wifiNetworkCallback.expectAvailableThenValidatedCallbacks(mWiFiNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertNoCallbacks(genericNetworkCallback, wifiNetworkCallback, cellNetworkCallback);
 
         mWiFiNetworkAgent.disconnect();
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        wifiNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        wifiNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         assertNoCallbacks(genericNetworkCallback, wifiNetworkCallback, cellNetworkCallback);
 
         mCellNetworkAgent.disconnect();
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         assertNoCallbacks(genericNetworkCallback, wifiNetworkCallback, cellNetworkCallback);
     }
 
@@ -1622,7 +1635,7 @@
         // We then get LOSING when wifi validates and cell is outscored.
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         // TODO: Investigate sending validated before losing.
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         defaultCallback.expectAvailableDoubleValidatedCallbacks(mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
@@ -1631,15 +1644,15 @@
         mEthernetNetworkAgent.connect(true);
         callback.expectAvailableCallbacksUnvalidated(mEthernetNetworkAgent);
         // TODO: Investigate sending validated before losing.
-        callback.expectCallback(CallbackRecord.LOSING, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mWiFiNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mEthernetNetworkAgent);
         defaultCallback.expectAvailableDoubleValidatedCallbacks(mEthernetNetworkAgent);
         assertEquals(mEthernetNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         mEthernetNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
         defaultCallback.expectAvailableCallbacksValidated(mWiFiNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
@@ -1655,7 +1668,7 @@
                 newNetwork = mWiFiNetworkAgent;
 
             }
-            callback.expectCallback(CallbackRecord.LOSING, oldNetwork);
+            callback.expectCallback(CallbackEntry.LOSING, oldNetwork);
             // TODO: should we send an AVAILABLE callback to newNetwork, to indicate that it is no
             // longer lingering?
             defaultCallback.expectAvailableCallbacksValidated(newNetwork);
@@ -1669,7 +1682,7 @@
         // We expect a notification about the capabilities change, and nothing else.
         defaultCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_METERED, mWiFiNetworkAgent);
         defaultCallback.assertNoCallback();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         // Wifi no longer satisfies our listen, which is for an unmetered network.
@@ -1678,11 +1691,11 @@
 
         // Disconnect our test networks.
         mWiFiNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
         mCellNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         waitForIdle();
         assertEquals(null, mCm.getActiveNetwork());
 
@@ -1713,8 +1726,8 @@
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
@@ -1725,15 +1738,15 @@
         mWiFiNetworkAgent.adjustScore(50);
         mWiFiNetworkAgent.connect(false);   // Score: 70
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         // Tear down wifi.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         assertEquals(mCellNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
@@ -1744,19 +1757,19 @@
         mWiFiNetworkAgent.connect(true);
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         // TODO: Investigate sending validated before losing.
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         defaultCallback.expectAvailableThenValidatedCallbacks(mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         mCellNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         waitForIdle();
         assertEquals(null, mCm.getActiveNetwork());
 
@@ -1771,7 +1784,7 @@
         defaultCallback.expectAvailableDoubleValidatedCallbacks(mWiFiNetworkAgent);
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         // TODO: Investigate sending validated before losing.
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
@@ -1782,13 +1795,13 @@
         // TODO: should this cause an AVAILABLE callback, to indicate that the network is no longer
         // lingering?
         mCm.unregisterNetworkCallback(noopCallback);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
 
         // Similar to the above: lingering can start even after the lingered request is removed.
         // Disconnect wifi and switch to cell.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
@@ -1807,12 +1820,12 @@
         callback.assertNoCallback();
         // Now unregister cellRequest and expect cell to start lingering.
         mCm.unregisterNetworkCallback(noopCallback);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
 
         // Let linger run its course.
         callback.assertNoCallback();
         final int lingerTimeoutMs = mService.mLingerDelayMs + mService.mLingerDelayMs / 4;
-        callback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent, lingerTimeoutMs);
+        callback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent, lingerTimeoutMs);
 
         // Register a TRACK_DEFAULT request and check that it does not affect lingering.
         TestNetworkCallback trackDefaultCallback = new TestNetworkCallback();
@@ -1821,20 +1834,20 @@
         mEthernetNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_ETHERNET);
         mEthernetNetworkAgent.connect(true);
         callback.expectAvailableCallbacksUnvalidated(mEthernetNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mWiFiNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mEthernetNetworkAgent);
         trackDefaultCallback.expectAvailableDoubleValidatedCallbacks(mEthernetNetworkAgent);
         defaultCallback.expectAvailableDoubleValidatedCallbacks(mEthernetNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         // Let linger run its course.
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent, lingerTimeoutMs);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent, lingerTimeoutMs);
 
         // Clean up.
         mEthernetNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
-        trackDefaultCallback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
+        trackDefaultCallback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
 
         mCm.unregisterNetworkCallback(callback);
         mCm.unregisterNetworkCallback(defaultCallback);
@@ -1864,7 +1877,7 @@
         mWiFiNetworkAgent.connect(true);
         defaultCallback.expectAvailableDoubleValidatedCallbacks(mWiFiNetworkAgent);
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
 
         // File a request for cellular, then release it.
@@ -1873,7 +1886,7 @@
         NetworkCallback noopCallback = new NetworkCallback();
         mCm.requestNetwork(cellRequest, noopCallback);
         mCm.unregisterNetworkCallback(noopCallback);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
 
         // Let linger run its course.
         callback.assertNoCallback();
@@ -1917,12 +1930,12 @@
         // If the user chooses yes on the "No Internet access, stay connected?" dialog, we switch to
         // wifi even though it's unvalidated.
         mCm.setAcceptUnvalidated(mWiFiNetworkAgent.getNetwork(), true, false);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
 
         // Disconnect wifi, and then reconnect, again with explicitlySelected=true.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.explicitlySelected(true, false);
         mWiFiNetworkAgent.connect(false);
@@ -1931,14 +1944,14 @@
         // If the user chooses no on the "No Internet access, stay connected?" dialog, we ask the
         // network to disconnect.
         mCm.setAcceptUnvalidated(mWiFiNetworkAgent.getNetwork(), false, false);
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Reconnect, again with explicitlySelected=true, but this time validate.
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.explicitlySelected(true, false);
         mWiFiNetworkAgent.connect(true);
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
 
@@ -1954,20 +1967,20 @@
         // (i.e., with explicitlySelected=true and acceptUnvalidated=true). Expect to switch to
         // wifi immediately.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.explicitlySelected(true, true);
         mWiFiNetworkAgent.connect(false);
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mEthernetNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mEthernetNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         mEthernetNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mEthernetNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mEthernetNetworkAgent);
 
         // Disconnect and reconnect with explicitlySelected=false and acceptUnvalidated=true.
         // Check that the network is not scored specially and that the device prefers cell data.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.explicitlySelected(false, true);
         mWiFiNetworkAgent.connect(false);
@@ -1978,8 +1991,8 @@
         mWiFiNetworkAgent.disconnect();
         mCellNetworkAgent.disconnect();
 
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
     }
 
     private int[] makeIntArray(final int size, final int value) {
@@ -2226,7 +2239,7 @@
         // Need a trigger point to let NetworkMonitor tell ConnectivityService that network is
         // validated.
         mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), true);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         NetworkCapabilities nc = callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED,
                 mWiFiNetworkAgent);
         assertTrue(nc.hasCapability(NET_CAPABILITY_PARTIAL_CONNECTIVITY));
@@ -2234,7 +2247,7 @@
 
         // Disconnect and reconnect wifi with partial connectivity again.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
         mWiFiNetworkAgent.connectWithPartialConnectivity();
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
@@ -2246,7 +2259,7 @@
         // If the user chooses no, disconnect wifi immediately.
         mCm.setAcceptPartialConnectivity(mWiFiNetworkAgent.getNetwork(), false/* accept */,
                 false /* always */);
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // If user accepted partial connectivity before, and device reconnects to that network
         // again, but now the network has full connectivity. The network shouldn't contain
@@ -2262,14 +2275,14 @@
         // ConnectivityService#updateNetworkInfo().
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         verify(mWiFiNetworkAgent.mNetworkMonitor, times(1)).setAcceptPartialConnectivity();
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         nc = callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         assertFalse(nc.hasCapability(NET_CAPABILITY_PARTIAL_CONNECTIVITY));
 
         // Wifi should be the default network.
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // The user accepted partial connectivity and selected "don't ask again". Now the user
         // reconnects to the partial connectivity network. Switch to wifi as soon as partial
@@ -2283,7 +2296,7 @@
         // ConnectivityService#updateNetworkInfo().
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         verify(mWiFiNetworkAgent.mNetworkMonitor, times(1)).setAcceptPartialConnectivity();
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         callback.expectCapabilitiesWith(NET_CAPABILITY_PARTIAL_CONNECTIVITY, mWiFiNetworkAgent);
         mWiFiNetworkAgent.setNetworkValid();
@@ -2293,7 +2306,7 @@
         mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), true);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // If the user accepted partial connectivity, and the device auto-reconnects to the partial
         // connectivity network, it should contain both PARTIAL_CONNECTIVITY and VALIDATED.
@@ -2307,11 +2320,11 @@
         mWiFiNetworkAgent.connectWithPartialValidConnectivity();
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         verify(mWiFiNetworkAgent.mNetworkMonitor, times(1)).setAcceptPartialConnectivity();
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(
                 NET_CAPABILITY_PARTIAL_CONNECTIVITY | NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
     }
 
     @Test
@@ -2353,7 +2366,7 @@
                 false /* always */);
         waitForIdle();
         mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), true);
-        captivePortalCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        captivePortalCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         validatedCallback.expectAvailableCallbacksValidated(mWiFiNetworkAgent);
         NetworkCapabilities nc =
                 validatedCallback.expectCapabilitiesWith(NET_CAPABILITY_PARTIAL_CONNECTIVITY,
@@ -2386,7 +2399,7 @@
         // Take down network.
         // Expect onLost callback.
         mWiFiNetworkAgent.disconnect();
-        captivePortalCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        captivePortalCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Bring up a network with a captive portal.
         // Expect onAvailable callback of listen for NET_CAPABILITY_CAPTIVE_PORTAL.
@@ -2400,7 +2413,7 @@
         // Expect onLost callback because network no longer provides NET_CAPABILITY_CAPTIVE_PORTAL.
         mWiFiNetworkAgent.setNetworkValid();
         mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), true);
-        captivePortalCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        captivePortalCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Expect NET_CAPABILITY_VALIDATED onAvailable callback.
         validatedCallback.expectAvailableDoubleValidatedCallbacks(mWiFiNetworkAgent);
@@ -2412,7 +2425,7 @@
         // Expect NET_CAPABILITY_VALIDATED onLost callback.
         mWiFiNetworkAgent.setNetworkInvalid();
         mCm.reportNetworkConnectivity(mWiFiNetworkAgent.getNetwork(), false);
-        validatedCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        validatedCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
     }
 
     @Test
@@ -2444,7 +2457,7 @@
         mWiFiNetworkAgent.setNetworkPortal("http://example.com");
         mCm.reportNetworkConnectivity(wifiNetwork, false);
         captivePortalCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        validatedCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        validatedCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Check that startCaptivePortalApp sends the expected command to NetworkMonitor.
         mCm.startCaptivePortalApp(wifiNetwork);
@@ -2465,7 +2478,7 @@
         mWiFiNetworkAgent.setNetworkValid();
         mWiFiNetworkAgent.mNetworkMonitor.forceReevaluation(Process.myUid());
         validatedCallback.expectAvailableCallbacksValidated(mWiFiNetworkAgent);
-        captivePortalCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        captivePortalCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         verify(mNotificationManager, times(1)).notifyAsUser(anyString(),
                 eq(NotificationType.LOGGED_IN.eventId), any(), eq(UserHandle.ALL));
 
@@ -2613,7 +2626,7 @@
         cFoo.assertNoCallback();
 
         mWiFiNetworkAgent.setNetworkSpecifier(nsBar);
-        cFoo.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        cFoo.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         cBar.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         for (TestNetworkCallback c: emptyCallbacks) {
             c.expectCapabilitiesThat(mWiFiNetworkAgent,
@@ -2641,10 +2654,10 @@
         cBar.assertNoCallback();
 
         mWiFiNetworkAgent.setNetworkSpecifier(null);
-        cFoo.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        cBar.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        cFoo.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        cBar.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         for (TestNetworkCallback c: emptyCallbacks) {
-            c.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, mWiFiNetworkAgent);
+            c.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, mWiFiNetworkAgent);
         }
 
         assertNoCallbacks(cEmpty1, cEmpty2, cEmpty3, cEmpty4, cFoo, cBar);
@@ -2787,7 +2800,7 @@
 
         // Bring down cell. Expect no default network callback, since it wasn't the default.
         mCellNetworkAgent.disconnect();
-        cellNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         defaultNetworkCallback.assertNoCallback();
         assertEquals(defaultNetworkCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
@@ -2802,11 +2815,11 @@
         // followed by AVAILABLE cell.
         mWiFiNetworkAgent.disconnect();
         cellNetworkCallback.assertNoCallback();
-        defaultNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        defaultNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultNetworkCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
         mCellNetworkAgent.disconnect();
-        cellNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
-        defaultNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
+        defaultNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         waitForIdle();
         assertEquals(null, mCm.getActiveNetwork());
 
@@ -2823,7 +2836,7 @@
         assertEquals(defaultNetworkCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         vpnNetworkAgent.disconnect();
-        defaultNetworkCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        defaultNetworkCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         waitForIdle();
         assertEquals(null, mCm.getActiveNetwork());
     }
@@ -2851,7 +2864,7 @@
         lp.setInterfaceName("foonet_data0");
         mCellNetworkAgent.sendLinkProperties(lp);
         // We should get onLinkPropertiesChanged().
-        cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
 
@@ -2859,7 +2872,7 @@
         mCellNetworkAgent.suspend();
         cellNetworkCallback.expectCapabilitiesWithout(NET_CAPABILITY_NOT_SUSPENDED,
                 mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.SUSPENDED, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.SUSPENDED, mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
 
         // Register a garden variety default network request.
@@ -2874,7 +2887,7 @@
         mCellNetworkAgent.resume();
         cellNetworkCallback.expectCapabilitiesWith(NET_CAPABILITY_NOT_SUSPENDED,
                 mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.RESUMED, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.RESUMED, mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
 
         dfltNetworkCallback = new TestNetworkCallback();
@@ -2937,10 +2950,10 @@
 
         // When wifi connects, cell lingers.
         callback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        callback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         callback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         fgCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        fgCallback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        fgCallback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         fgCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         assertTrue(isForegroundNetwork(mCellNetworkAgent));
         assertTrue(isForegroundNetwork(mWiFiNetworkAgent));
@@ -2948,7 +2961,7 @@
         // When lingering is complete, cell is still there but is now in the background.
         waitForIdle();
         int timeoutMs = TEST_LINGER_DELAY_MS + TEST_LINGER_DELAY_MS / 4;
-        fgCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent, timeoutMs);
+        fgCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent, timeoutMs);
         // Expect a network capabilities update sans FOREGROUND.
         callback.expectCapabilitiesWithout(NET_CAPABILITY_FOREGROUND, mCellNetworkAgent);
         assertFalse(isForegroundNetwork(mCellNetworkAgent));
@@ -2974,7 +2987,7 @@
         // Release the request. The network immediately goes into the background, since it was not
         // lingering.
         mCm.unregisterNetworkCallback(cellCallback);
-        fgCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        fgCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         // Expect a network capabilities update sans FOREGROUND.
         callback.expectCapabilitiesWithout(NET_CAPABILITY_FOREGROUND, mCellNetworkAgent);
         assertFalse(isForegroundNetwork(mCellNetworkAgent));
@@ -2982,8 +2995,8 @@
 
         // Disconnect wifi and check that cell is foreground again.
         mWiFiNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        fgCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        fgCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         fgCallback.expectAvailableCallbacksValidated(mCellNetworkAgent);
         assertTrue(isForegroundNetwork(mCellNetworkAgent));
 
@@ -3120,7 +3133,7 @@
         testFactory.waitForNetworkRequests(1);
 
         // ...  and cell data to be torn down.
-        cellNetworkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         assertLength(1, mCm.getAllNetworks());
 
         testFactory.unregister();
@@ -3209,7 +3222,7 @@
         mWiFiNetworkAgent.setNetworkInvalid();
         mCm.reportNetworkConnectivity(wifiNetwork, false);
         defaultCallback.expectCapabilitiesWithout(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
-        validatedWifiCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        validatedWifiCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Because avoid bad wifi is off, we don't switch to cellular.
         defaultCallback.assertNoCallback();
@@ -3253,7 +3266,7 @@
         mWiFiNetworkAgent.setNetworkInvalid();
         mCm.reportNetworkConnectivity(wifiNetwork, false);
         defaultCallback.expectCapabilitiesWithout(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
-        validatedWifiCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        validatedWifiCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Simulate the user selecting "switch" and checking the don't ask again checkbox.
         Settings.Global.putInt(cr, Settings.Global.NETWORK_AVOID_BAD_WIFI, 1);
@@ -3280,7 +3293,7 @@
 
         // If cell goes down, we switch to wifi.
         mCellNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         validatedWifiCallback.assertNoCallback();
 
@@ -3344,7 +3357,7 @@
         networkCallback.expectAvailableCallbacks(mWiFiNetworkAgent, false, false, false,
                 TEST_CALLBACK_TIMEOUT_MS);
         mWiFiNetworkAgent.disconnect();
-        networkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
 
         // Validate that UNAVAILABLE is not called
         networkCallback.assertNoCallback();
@@ -3364,7 +3377,7 @@
         mCm.requestNetwork(nr, networkCallback, timeoutMs);
 
         // pass timeout and validate that UNAVAILABLE is called
-        networkCallback.expectCallback(CallbackRecord.UNAVAILABLE, null);
+        networkCallback.expectCallback(CallbackEntry.UNAVAILABLE, null);
 
         // create a network satisfying request - validate that request not triggered
         mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
@@ -3455,7 +3468,7 @@
             // Simulate the factory releasing the request as unfulfillable and expect onUnavailable!
             testFactory.triggerUnfulfillable(requests.get(newRequestId));
 
-            networkCallback.expectCallback(CallbackRecord.UNAVAILABLE, null);
+            networkCallback.expectCallback(CallbackEntry.UNAVAILABLE, null);
             testFactory.waitForRequests();
 
             // unregister network callback - a no-op (since already freed by the
@@ -4297,7 +4310,7 @@
 
         // Disconnect wifi aware network.
         wifiAware.disconnect();
-        callback.expectCallbackThat(TIMEOUT_MS, (info) -> info instanceof CallbackRecord.Lost);
+        callback.expectCallbackThat(TIMEOUT_MS, (info) -> info instanceof CallbackEntry.Lost);
         mCm.unregisterNetworkCallback(callback);
 
         verifyNoNetwork();
@@ -4315,16 +4328,16 @@
         assertFalse(mCm.isNetworkSupported(TYPE_NONE));
 
         assertThrows(IllegalArgumentException.class,
-                () -> { mCm.networkCapabilitiesForType(TYPE_NONE); });
+                () -> mCm.networkCapabilitiesForType(TYPE_NONE));
 
         Class<UnsupportedOperationException> unsupported = UnsupportedOperationException.class;
-        assertThrows(unsupported, () -> { mCm.startUsingNetworkFeature(TYPE_WIFI, ""); });
-        assertThrows(unsupported, () -> { mCm.stopUsingNetworkFeature(TYPE_WIFI, ""); });
+        assertThrows(unsupported, () -> mCm.startUsingNetworkFeature(TYPE_WIFI, ""));
+        assertThrows(unsupported, () -> mCm.stopUsingNetworkFeature(TYPE_WIFI, ""));
         // TODO: let test context have configuration application target sdk version
         // and test that pre-M requesting for TYPE_NONE sends back APN_REQUEST_FAILED
-        assertThrows(unsupported, () -> { mCm.startUsingNetworkFeature(TYPE_NONE, ""); });
-        assertThrows(unsupported, () -> { mCm.stopUsingNetworkFeature(TYPE_NONE, ""); });
-        assertThrows(unsupported, () -> { mCm.requestRouteToHostAddress(TYPE_NONE, null); });
+        assertThrows(unsupported, () -> mCm.startUsingNetworkFeature(TYPE_NONE, ""));
+        assertThrows(unsupported, () -> mCm.stopUsingNetworkFeature(TYPE_NONE, ""));
+        assertThrows(unsupported, () -> mCm.requestRouteToHostAddress(TYPE_NONE, null));
     }
 
     @Test
@@ -4346,12 +4359,12 @@
         // ConnectivityService.
         TestNetworkAgentWrapper networkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI, lp);
         networkAgent.connect(true);
-        networkCallback.expectCallback(CallbackRecord.AVAILABLE, networkAgent);
-        networkCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, networkAgent);
-        CallbackRecord.LinkPropertiesChanged cbi =
-                networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        networkCallback.expectCallback(CallbackEntry.AVAILABLE, networkAgent);
+        networkCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, networkAgent);
+        CallbackEntry.LinkPropertiesChanged cbi =
+                networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 networkAgent);
-        networkCallback.expectCallback(CallbackRecord.BLOCKED_STATUS, networkAgent);
+        networkCallback.expectCallback(CallbackEntry.BLOCKED_STATUS, networkAgent);
         networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, networkAgent);
         networkCallback.assertNoCallback();
         checkDirectlyConnectedRoutes(cbi.getLp(), Arrays.asList(myIpv4Address),
@@ -4366,7 +4379,7 @@
         newLp.addLinkAddress(myIpv6Address1);
         newLp.addLinkAddress(myIpv6Address2);
         networkAgent.sendLinkProperties(newLp);
-        cbi = networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, networkAgent);
+        cbi = networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, networkAgent);
         networkCallback.assertNoCallback();
         checkDirectlyConnectedRoutes(cbi.getLp(),
                 Arrays.asList(myIpv4Address, myIpv6Address1, myIpv6Address2),
@@ -4572,12 +4585,12 @@
         assertTrue(ArrayUtils.containsAll(resolvrParams.tlsServers,
                 new String[] { "2001:db8::1", "192.0.2.1" }));
         reset(mMockDnsResolver);
-        cellNetworkCallback.expectCallback(CallbackRecord.AVAILABLE, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED,
+        cellNetworkCallback.expectCallback(CallbackEntry.AVAILABLE, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED,
                 mCellNetworkAgent);
-        CallbackRecord.LinkPropertiesChanged cbi = cellNetworkCallback.expectCallback(
-                CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.BLOCKED_STATUS, mCellNetworkAgent);
+        CallbackEntry.LinkPropertiesChanged cbi = cellNetworkCallback.expectCallback(
+                CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.BLOCKED_STATUS, mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertFalse(cbi.getLp().isPrivateDnsActive());
         assertNull(cbi.getLp().getPrivateDnsServerName());
@@ -4608,7 +4621,7 @@
         setPrivateDnsSettings(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME, "strict.example.com");
         // Can't test dns configuration for strict mode without properly mocking
         // out the DNS lookups, but can test that LinkProperties is updated.
-        cbi = cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cbi = cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertTrue(cbi.getLp().isPrivateDnsActive());
@@ -4631,12 +4644,12 @@
         mCellNetworkAgent.sendLinkProperties(lp);
         mCellNetworkAgent.connect(false);
         waitForIdle();
-        cellNetworkCallback.expectCallback(CallbackRecord.AVAILABLE, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED,
+        cellNetworkCallback.expectCallback(CallbackEntry.AVAILABLE, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED,
                 mCellNetworkAgent);
-        CallbackRecord.LinkPropertiesChanged cbi = cellNetworkCallback.expectCallback(
-                CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
-        cellNetworkCallback.expectCallback(CallbackRecord.BLOCKED_STATUS, mCellNetworkAgent);
+        CallbackEntry.LinkPropertiesChanged cbi = cellNetworkCallback.expectCallback(
+                CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        cellNetworkCallback.expectCallback(CallbackEntry.BLOCKED_STATUS, mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertFalse(cbi.getLp().isPrivateDnsActive());
         assertNull(cbi.getLp().getPrivateDnsServerName());
@@ -4653,7 +4666,7 @@
         LinkProperties lp2 = new LinkProperties(lp);
         lp2.addDnsServer(InetAddress.getByName("145.100.185.16"));
         mCellNetworkAgent.sendLinkProperties(lp2);
-        cbi = cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cbi = cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertFalse(cbi.getLp().isPrivateDnsActive());
@@ -4677,7 +4690,7 @@
         // private dns fields should be sent.
         mService.mNetdEventCallback.onPrivateDnsValidationEvent(
                 mCellNetworkAgent.getNetwork().netId, "145.100.185.16", "", true);
-        cbi = cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cbi = cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertTrue(cbi.getLp().isPrivateDnsActive());
@@ -4689,7 +4702,7 @@
         LinkProperties lp3 = new LinkProperties(lp2);
         lp3.setMtu(1300);
         mCellNetworkAgent.sendLinkProperties(lp3);
-        cbi = cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cbi = cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertTrue(cbi.getLp().isPrivateDnsActive());
@@ -4702,7 +4715,7 @@
         LinkProperties lp4 = new LinkProperties(lp3);
         lp4.removeDnsServer(InetAddress.getByName("145.100.185.16"));
         mCellNetworkAgent.sendLinkProperties(lp4);
-        cbi = cellNetworkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED,
+        cbi = cellNetworkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED,
                 mCellNetworkAgent);
         cellNetworkCallback.assertNoCallback();
         assertFalse(cbi.getLp().isPrivateDnsActive());
@@ -4793,19 +4806,19 @@
         defaultCallback.expectAvailableCallbacksUnvalidated(vpnNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
-        genericNetworkCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
         genericNotVpnNetworkCallback.assertNoCallback();
         vpnNetworkCallback.expectCapabilitiesThat(vpnNetworkAgent, nc -> null == nc.getUids());
-        defaultCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         ranges.clear();
         vpnNetworkAgent.setUids(ranges);
 
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         genericNotVpnNetworkCallback.assertNoCallback();
         wifiNetworkCallback.assertNoCallback();
-        vpnNetworkCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        vpnNetworkCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
 
         // TODO : The default network callback should actually get a LOST call here (also see the
         // comment below for AVAILABLE). This is because ConnectivityService does not look at UID
@@ -4813,7 +4826,7 @@
         // can't currently update their UIDs without disconnecting, so this does not matter too
         // much, but that is the reason the test here has to check for an update to the
         // capabilities instead of the expected LOST then AVAILABLE.
-        defaultCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
 
         ranges.add(new UidRange(uid, uid));
         mMockVpn.setUids(ranges);
@@ -4825,23 +4838,23 @@
         vpnNetworkCallback.expectAvailableCallbacksValidated(vpnNetworkAgent);
         // TODO : Here like above, AVAILABLE would be correct, but because this can't actually
         // happen outside of the test, ConnectivityService does not rematch callbacks.
-        defaultCallback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
 
         mWiFiNetworkAgent.disconnect();
 
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        genericNotVpnNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
-        wifiNetworkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        genericNotVpnNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
+        wifiNetworkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         vpnNetworkCallback.assertNoCallback();
         defaultCallback.assertNoCallback();
 
         vpnNetworkAgent.disconnect();
 
-        genericNetworkCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        genericNetworkCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         genericNotVpnNetworkCallback.assertNoCallback();
         wifiNetworkCallback.assertNoCallback();
-        vpnNetworkCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
-        defaultCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        vpnNetworkCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         assertEquals(null, mCm.getActiveNetwork());
 
         mCm.unregisterNetworkCallback(genericNetworkCallback);
@@ -4907,7 +4920,7 @@
         assertEquals(defaultCallback.getLastAvailableNetwork(), mCm.getActiveNetwork());
 
         vpnNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         defaultCallback.expectAvailableCallbacksValidated(mWiFiNetworkAgent);
 
         mCm.unregisterNetworkCallback(defaultCallback);
@@ -4938,7 +4951,7 @@
         // Even though the VPN is unvalidated, it becomes the default network for our app.
         callback.expectAvailableCallbacksUnvalidated(vpnNetworkAgent);
         // TODO: this looks like a spurious callback.
-        callback.expectCallback(CallbackRecord.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
+        callback.expectCallback(CallbackEntry.NETWORK_CAPS_UPDATED, vpnNetworkAgent);
         callback.assertNoCallback();
 
         assertTrue(vpnNetworkAgent.getScore() > mEthernetNetworkAgent.getScore());
@@ -4963,7 +4976,7 @@
         callback.assertNoCallback();
 
         vpnNetworkAgent.disconnect();
-        callback.expectCallback(CallbackRecord.LOST, vpnNetworkAgent);
+        callback.expectCallback(CallbackEntry.LOST, vpnNetworkAgent);
         callback.expectAvailableCallbacksValidated(mEthernetNetworkAgent);
     }
 
@@ -5405,7 +5418,7 @@
 
         // Switch to METERED network. Restrict the use of the network.
         mWiFiNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksValidatedAndBlocked(mCellNetworkAgent);
 
         // Network becomes NOT_METERED.
@@ -5419,7 +5432,7 @@
         defaultCallback.assertNoCallback();
 
         mCellNetworkAgent.disconnect();
-        defaultCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        defaultCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         defaultCallback.assertNoCallback();
 
         mCm.unregisterNetworkCallback(defaultCallback);
@@ -5495,7 +5508,7 @@
         // the NAT64 prefix was removed because one was never discovered.
         cellLp.addLinkAddress(myIpv4);
         mCellNetworkAgent.sendLinkProperties(cellLp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
         verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(any());
 
@@ -5508,7 +5521,7 @@
         cellLp.removeLinkAddress(myIpv4);
         cellLp.removeRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
         mCellNetworkAgent.sendLinkProperties(cellLp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
 
         // When NAT64 prefix discovery succeeds, LinkProperties are updated and clatd is started.
@@ -5517,14 +5530,14 @@
         mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, true /* added */,
                 kNat64PrefixString, 96);
         LinkProperties lpBeforeClat = networkCallback.expectCallback(
-                CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent).getLp();
+                CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent).getLp();
         assertEquals(0, lpBeforeClat.getStackedLinks().size());
         assertEquals(kNat64Prefix, lpBeforeClat.getNat64Prefix());
         verify(mMockNetd, times(1)).clatdStart(MOBILE_IFNAME, kNat64Prefix.toString());
 
         // Clat iface comes up. Expect stacked link to be added.
         clat.interfaceLinkStateChanged(CLAT_PREFIX + MOBILE_IFNAME, true);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         List<LinkProperties> stackedLps = mCm.getLinkProperties(mCellNetworkAgent.getNetwork())
                 .getStackedLinks();
         assertEquals(makeClatLinkProperties(myIpv4), stackedLps.get(0));
@@ -5532,7 +5545,7 @@
         // Change trivial linkproperties and see if stacked link is preserved.
         cellLp.addDnsServer(InetAddress.getByName("8.8.8.8"));
         mCellNetworkAgent.sendLinkProperties(cellLp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
 
         List<LinkProperties> stackedLpsAfterChange =
                 mCm.getLinkProperties(mCellNetworkAgent.getNetwork()).getStackedLinks();
@@ -5550,12 +5563,12 @@
         cellLp.addLinkAddress(myIpv4);
         cellLp.addRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
         mCellNetworkAgent.sendLinkProperties(cellLp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
         verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
 
         // As soon as stop is called, the linkproperties lose the stacked interface.
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         LinkProperties actualLpAfterIpv4 = mCm.getLinkProperties(mCellNetworkAgent.getNetwork());
         LinkProperties expected = new LinkProperties(cellLp);
         expected.setNat64Prefix(kNat64Prefix);
@@ -5582,11 +5595,11 @@
         cellLp.removeRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
         cellLp.removeDnsServer(InetAddress.getByName("8.8.8.8"));
         mCellNetworkAgent.sendLinkProperties(cellLp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
         mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, true /* added */,
                 kNat64PrefixString, 96);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verify(mMockNetd, times(1)).clatdStart(MOBILE_IFNAME, kNat64Prefix.toString());
 
 
@@ -5606,7 +5619,7 @@
 
         // Clean up.
         mCellNetworkAgent.disconnect();
-        networkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         networkCallback.assertNoCallback();
         mCm.unregisterNetworkCallback(networkCallback);
     }
@@ -5638,7 +5651,7 @@
         reset(mNetworkManagementService);
         mWiFiNetworkAgent.connect(true);
         networkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        networkCallback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
         verify(mNetworkManagementService, times(1)).addIdleTimer(eq(WIFI_IFNAME), anyInt(),
                 eq(ConnectivityManager.TYPE_WIFI));
@@ -5647,7 +5660,7 @@
         // Disconnect wifi and switch back to cell
         reset(mNetworkManagementService);
         mWiFiNetworkAgent.disconnect();
-        networkCallback.expectCallback(CallbackRecord.LOST, mWiFiNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOST, mWiFiNetworkAgent);
         assertNoCallbacks(networkCallback);
         verify(mNetworkManagementService, times(1)).removeIdleTimer(eq(WIFI_IFNAME));
         verify(mNetworkManagementService, times(1)).addIdleTimer(eq(MOBILE_IFNAME), anyInt(),
@@ -5659,14 +5672,14 @@
         mWiFiNetworkAgent.sendLinkProperties(wifiLp);
         mWiFiNetworkAgent.connect(true);
         networkCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
-        networkCallback.expectCallback(CallbackRecord.LOSING, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOSING, mCellNetworkAgent);
         networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, mWiFiNetworkAgent);
 
         // Disconnect cell
         reset(mNetworkManagementService);
         reset(mMockNetd);
         mCellNetworkAgent.disconnect();
-        networkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         // LOST callback is triggered earlier than removing idle timer. Broadcast should also be
         // sent as network being switched. Ensure rule removal for cell will not be triggered
         // unexpectedly before network being removed.
@@ -5716,12 +5729,12 @@
         LinkProperties lp = new LinkProperties();
         lp.setTcpBufferSizes(testTcpBufferSizes);
         mCellNetworkAgent.sendLinkProperties(lp);
-        networkCallback.expectCallback(CallbackRecord.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LINK_PROPERTIES_CHANGED, mCellNetworkAgent);
         verifyTcpBufferSizeChange(testTcpBufferSizes);
 
         // Clean up.
         mCellNetworkAgent.disconnect();
-        networkCallback.expectCallback(CallbackRecord.LOST, mCellNetworkAgent);
+        networkCallback.expectCallback(CallbackEntry.LOST, mCellNetworkAgent);
         networkCallback.assertNoCallback();
         mCm.unregisterNetworkCallback(networkCallback);
     }
@@ -5940,6 +5953,24 @@
         assertContainsExactly(uidCaptor.getValue(), APP2_UID);
     }
 
+    @Test
+    public void testLinkPropertiesWithWakeOnLanForActiveNetwork() throws Exception {
+        mWiFiNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_WIFI);
+
+        LinkProperties wifiLp = new LinkProperties();
+        wifiLp.setInterfaceName(WIFI_WOL_IFNAME);
+        wifiLp.setWakeOnLanSupported(false);
+
+        // Default network switch should update ifaces.
+        mWiFiNetworkAgent.connect(false);
+        mWiFiNetworkAgent.sendLinkProperties(wifiLp);
+        waitForIdle();
+
+        // ConnectivityService should have changed the WakeOnLanSupported to true
+        wifiLp.setWakeOnLanSupported(true);
+        assertEquals(wifiLp, mService.getActiveLinkProperties());
+    }
+
 
     private TestNetworkAgentWrapper establishVpn(LinkProperties lp, int establishingUid,
             Set<UidRange> vpnRange) throws Exception {
diff --git a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
index cd2bd26..7029218 100644
--- a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
@@ -561,11 +561,17 @@
         mNetdServiceMonitor.expectPermission(INetd.PERMISSION_NONE, new int[]{SYSTEM_UID1});
     }
 
-    private PackageInfo addPackage(String packageName, int uid, String[] permissions)
+    private PackageInfo setPackagePermissions(String packageName, int uid, String[] permissions)
             throws Exception {
         PackageInfo packageInfo = packageInfoWithPermissions(permissions, PARTITION_SYSTEM);
         when(mPackageManager.getPackageInfo(eq(packageName), anyInt())).thenReturn(packageInfo);
         when(mPackageManager.getPackagesForUid(eq(uid))).thenReturn(new String[]{packageName});
+        return packageInfo;
+    }
+
+    private PackageInfo addPackage(String packageName, int uid, String[] permissions)
+            throws Exception {
+        PackageInfo packageInfo = setPackagePermissions(packageName, uid, permissions);
         mObserver.onPackageAdded(packageName, uid);
         return packageInfo;
     }
@@ -616,14 +622,13 @@
     }
 
     @Test
-    public void testPackageUpdate() throws Exception {
+    public void testPackageRemoveThenAdd() throws Exception {
         final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService);
 
         addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS});
         mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET
                 | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1});
 
-        // Remove and install the same package to simulate the update action
         when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
         mObserver.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
         mNetdServiceMonitor.expectPermission(INetd.PERMISSION_UNINSTALLED, new int[]{MOCK_UID1});
@@ -633,6 +638,20 @@
     }
 
     @Test
+    public void testPackageUpdate() throws Exception {
+        final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService);
+
+        addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {});
+        mNetdServiceMonitor.expectPermission(INetd.PERMISSION_NONE, new int[]{MOCK_UID1});
+
+        // When updating a package, the broadcast receiver gets two broadcasts (a remove and then an
+        // add), but the observer sees only one callback (an update).
+        setPackagePermissions(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET});
+        mObserver.onPackageChanged(MOCK_PACKAGE1, MOCK_UID1);
+        mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID1});
+    }
+
+    @Test
     public void testPackageUninstallWithMultiplePackages() throws Exception {
         final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService);