Merge changes Iabad7300,I85363e28

* changes:
  Stubbed setOemNetworkPreference in Connectivity
  Update OemNetworkPreferences to use 1:1 Map
diff --git a/framework/src/android/net/CaptivePortalData.java b/framework/src/android/net/CaptivePortalData.java
index 18467fa..9b56b23 100644
--- a/framework/src/android/net/CaptivePortalData.java
+++ b/framework/src/android/net/CaptivePortalData.java
@@ -276,7 +276,7 @@
     }
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof CaptivePortalData)) return false;
         final CaptivePortalData other = (CaptivePortalData) obj;
         return mRefreshTimeMillis == other.mRefreshTimeMillis
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index c162b43..fef4152 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -3231,32 +3231,6 @@
         }
     }
 
-    /** {@hide} - returns the factory serial number */
-    @UnsupportedAppUsage
-    @RequiresPermission(anyOf = {
-            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-            android.Manifest.permission.NETWORK_FACTORY})
-    public int registerNetworkFactory(Messenger messenger, String name) {
-        try {
-            return mService.registerNetworkFactory(messenger, name);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
-    /** {@hide} */
-    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
-    @RequiresPermission(anyOf = {
-            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
-            android.Manifest.permission.NETWORK_FACTORY})
-    public void unregisterNetworkFactory(Messenger messenger) {
-        try {
-            mService.unregisterNetworkFactory(messenger);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
     /**
      * Registers the specified {@link NetworkProvider}.
      * Each listener must only be registered once. The listener can be unregistered with
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index 615f54d..e2672c4 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -157,9 +157,6 @@
 
     boolean requestBandwidthUpdate(in Network network);
 
-    int registerNetworkFactory(in Messenger messenger, in String name);
-    void unregisterNetworkFactory(in Messenger messenger);
-
     int registerNetworkProvider(in Messenger messenger, in String name);
     void unregisterNetworkProvider(in Messenger messenger);
 
diff --git a/framework/src/android/net/IpConfiguration.java b/framework/src/android/net/IpConfiguration.java
index 0b20564..d5f8b2e 100644
--- a/framework/src/android/net/IpConfiguration.java
+++ b/framework/src/android/net/IpConfiguration.java
@@ -167,7 +167,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         if (o == this) {
             return true;
         }
diff --git a/framework/src/android/net/IpPrefix.java b/framework/src/android/net/IpPrefix.java
index e7c8014..bcb65fa 100644
--- a/framework/src/android/net/IpPrefix.java
+++ b/framework/src/android/net/IpPrefix.java
@@ -18,6 +18,7 @@
 
 import android.annotation.IntRange;
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -124,7 +125,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof IpPrefix)) {
             return false;
         }
diff --git a/framework/src/android/net/LinkAddress.java b/framework/src/android/net/LinkAddress.java
index 44d25a1..d1bdaa0 100644
--- a/framework/src/android/net/LinkAddress.java
+++ b/framework/src/android/net/LinkAddress.java
@@ -349,7 +349,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof LinkAddress)) {
             return false;
         }
diff --git a/framework/src/android/net/LinkProperties.java b/framework/src/android/net/LinkProperties.java
index 486e2d7..e41ed72 100644
--- a/framework/src/android/net/LinkProperties.java
+++ b/framework/src/android/net/LinkProperties.java
@@ -1613,7 +1613,7 @@
      * @return {@code true} if both objects are equal, {@code false} otherwise.
      */
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (this == obj) return true;
 
         if (!(obj instanceof LinkProperties)) return false;
diff --git a/framework/src/android/net/MacAddress.java b/framework/src/android/net/MacAddress.java
index c7116b4..c83c23a 100644
--- a/framework/src/android/net/MacAddress.java
+++ b/framework/src/android/net/MacAddress.java
@@ -161,7 +161,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         return (o instanceof MacAddress) && ((MacAddress) o).mAddr == mAddr;
     }
 
diff --git a/framework/src/android/net/Network.java b/framework/src/android/net/Network.java
index b07bd68..46141e0 100644
--- a/framework/src/android/net/Network.java
+++ b/framework/src/android/net/Network.java
@@ -17,6 +17,7 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Build;
@@ -510,7 +511,7 @@
     };
 
     @Override
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (!(obj instanceof Network)) return false;
         Network other = (Network)obj;
         return this.netId == other.netId;
diff --git a/framework/src/android/net/NetworkRequest.java b/framework/src/android/net/NetworkRequest.java
index 04011fc..c4d1b09 100644
--- a/framework/src/android/net/NetworkRequest.java
+++ b/framework/src/android/net/NetworkRequest.java
@@ -567,7 +567,7 @@
         proto.end(token);
     }
 
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (obj instanceof NetworkRequest == false) return false;
         NetworkRequest that = (NetworkRequest)obj;
         return (that.legacyType == this.legacyType &&
diff --git a/framework/src/android/net/ProxyInfo.java b/framework/src/android/net/ProxyInfo.java
index c9bca28..9c9fed1 100644
--- a/framework/src/android/net/ProxyInfo.java
+++ b/framework/src/android/net/ProxyInfo.java
@@ -275,7 +275,7 @@
     }
 
     @Override
-    public boolean equals(Object o) {
+    public boolean equals(@Nullable Object o) {
         if (!(o instanceof ProxyInfo)) return false;
         ProxyInfo p = (ProxyInfo)o;
         // If PAC URL is present in either then they must be equal.
diff --git a/framework/src/android/net/RouteInfo.java b/framework/src/android/net/RouteInfo.java
index 94f849f..5b6684a 100644
--- a/framework/src/android/net/RouteInfo.java
+++ b/framework/src/android/net/RouteInfo.java
@@ -534,7 +534,7 @@
      * Compares this RouteInfo object against the specified object and indicates if they are equal.
      * @return {@code true} if the objects are equal, {@code false} otherwise.
      */
-    public boolean equals(Object obj) {
+    public boolean equals(@Nullable Object obj) {
         if (this == obj) return true;
 
         if (!(obj instanceof RouteInfo)) return false;
@@ -570,7 +570,7 @@
         }
 
         @Override
-        public boolean equals(Object o) {
+        public boolean equals(@Nullable Object o) {
             if (!(o instanceof RouteKey)) {
                 return false;
             }