diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 5a53af4..93455bc 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -1433,10 +1433,18 @@
      * Returns an array of all {@link Network} currently tracked by the
      * framework.
      *
+     * @deprecated This method does not provide any notification of network state changes, forcing
+     *             apps to call it repeatedly. This is inefficient and prone to race conditions.
+     *             Apps should use methods such as
+     *             {@link #registerNetworkCallback(NetworkRequest, NetworkCallback)} instead.
+     *             Apps that desire to obtain information about networks that do not apply to them
+     *             can use {@link NetworkRequest.Builder#setIncludeOtherUidNetworks}.
+     *
      * @return an array of {@link Network} objects.
      */
     @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
     @NonNull
+    @Deprecated
     public Network[] getAllNetworks() {
         try {
             return mService.getAllNetworks();
diff --git a/framework/src/android/net/NetworkRequest.java b/framework/src/android/net/NetworkRequest.java
index a384109..a71dbbf 100644
--- a/framework/src/android/net/NetworkRequest.java
+++ b/framework/src/android/net/NetworkRequest.java
@@ -287,10 +287,15 @@
         }
 
         /**
-         * Set the watched UIDs for this request. This will be reset and wiped out unless
-         * the calling app holds the CHANGE_NETWORK_STATE permission.
+         * Sets this request to match only networks that apply to the specified UIDs.
          *
-         * @param uids The watched UIDs as a set of {@code Range<Integer>}, or null for everything.
+         * By default, the set of UIDs is the UID of the calling app, and this request will match
+         * any network that applies to the app. Setting it to {@code null} will observe any
+         * network on the system, even if it does not apply to this app. In this case, any
+         * {@link NetworkSpecifier} set on this request will be redacted or removed to prevent the
+         * application deducing restricted information such as location.
+         *
+         * @param uids The UIDs as a set of {@code Range<Integer>}, or null for everything.
          * @return The builder to facilitate chaining.
          * @hide
          */
@@ -517,6 +522,30 @@
             mNetworkCapabilities.setSubscriptionIds(subIds);
             return this;
         }
+
+        /**
+         * Specifies whether the built request should also match networks that do not apply to the
+         * calling UID.
+         *
+         * By default, the built request will only match networks that apply to the calling UID.
+         * If this method is called with {@code true}, the built request will match any network on
+         * the system that matches the other parameters of the request. In this case, any
+         * information in the built request that is subject to redaction for security or privacy
+         * purposes, such as a {@link NetworkSpecifier}, will be redacted or removed to prevent the
+         * application deducing sensitive information.
+         *
+         * @param include Whether to match networks that do not apply to the calling UID.
+         * @return The builder to facilitate chaining.
+         */
+        @NonNull
+        public Builder setIncludeOtherUidNetworks(boolean include) {
+            if (include) {
+                mNetworkCapabilities.setUids(null);
+            } else {
+                mNetworkCapabilities.setSingleUid(Process.myUid());
+            }
+            return this;
+        }
     }
 
     // implement the Parcelable interface