Improve javadoc for Wi-Fi related policies

Bug: 226128486
Test: none
Change-Id: I21f0f0eb1f9a4754d42f4ae3c8e8a36865d58afa

core/java/android/app/admin/DevicePolicyManager.java

@@ -11409,7 +11409,9 @@ public class DevicePolicyManager {
 
     /**
      * Called by a device owner or a profile owner of an organization-owned managed profile to
-     * control whether the user can change networks configured by the admin.
+     * control whether the user can change networks configured by the admin. When this lockdown is
+     * enabled, the user can still configure and connect to other Wi-Fi networks, or use other Wi-Fi
+     * capabilities such as tethering.
      * <p>
      * WiFi network configuration lockdown is controlled by a global settings
      * {@link android.provider.Settings.Global#WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN} and calling

core/java/android/os/UserManager.java

@@ -257,7 +257,8 @@ public class UserManager {
     public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts";
 
     /**
-     * Specifies if a user is disallowed from changing Wi-Fi access points via Settings.
+     * Specifies if a user is disallowed from changing Wi-Fi access points via Settings. This
+     * restriction does not affect Wi-Fi tethering settings.
      *
      * <p>A device owner and a profile owner can set this restriction, although the restriction has
      * no effect in a managed profile. When it is set by a device owner, a profile owner on the
@@ -295,6 +296,9 @@ public class UserManager {
     /**
      * Specifies if a user is disallowed from using Wi-Fi tethering.
      *
+     * <p>This restriction does not limit the user's ability to modify or connect to regular
+     * Wi-Fi networks, which is separately controlled by {@link #DISALLOW_CONFIG_WIFI}.
+     *
      * <p>This restriction can only be set by a device owner,
      * a profile owner of an organization-owned managed profile on the parent profile.
      * When it is set by any of these owners, it prevents all users from using