No need for getProfileOwnerForUser as SystemApi

Rather use
context.createPackageContextAsUser(context.getPackageName(), 0, user)
        .getSystemService(DevicePolicyManager.class).getProfileOwner();

Test: Looked at permission restricted by device owner in UI
Fixes: 126699845
Change-Id: I3dc16fbe360aaeb416c526cacf5f55ce2c3a1b20
diff --git a/api/system-current.txt b/api/system-current.txt
index 42b8a5d..267ecd4 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -667,7 +667,6 @@
     method @Nullable @RequiresPermission(android.Manifest.permission.MANAGE_USERS) public java.util.List<java.lang.String> getPermittedAccessibilityServices(int);
     method @Nullable @RequiresPermission(android.Manifest.permission.MANAGE_USERS) public java.util.List<java.lang.String> getPermittedInputMethodsForCurrentUser();
     method @Nullable public android.content.ComponentName getProfileOwner() throws java.lang.IllegalArgumentException;
-    method @Nullable @RequiresPermission(value=android.Manifest.permission.INTERACT_ACROSS_USERS, conditional=true) public android.content.ComponentName getProfileOwnerAsUser(@NonNull android.os.UserHandle);
     method @Nullable @RequiresPermission(android.Manifest.permission.MANAGE_USERS) public String getProfileOwnerNameAsUser(int) throws java.lang.IllegalArgumentException;
     method @RequiresPermission(android.Manifest.permission.MANAGE_USERS) public int getUserProvisioningState();
     method public boolean isDeviceManaged();
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 9a4e215..100edf3 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -6339,7 +6339,6 @@
      */
     @RequiresPermission(value = android.Manifest.permission.INTERACT_ACROSS_USERS,
             conditional = true)
-    @SystemApi
     public @Nullable ComponentName getProfileOwnerAsUser(@NonNull UserHandle user) {
         if (mService != null) {
             try {
diff --git a/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java b/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java
index 8529e3e..87b5b57 100644
--- a/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java
+++ b/packages/SettingsLib/RestrictedLockUtils/src/com/android/settingslib/RestrictedLockUtils.java
@@ -20,6 +20,7 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -47,7 +48,16 @@
         if (dpm == null) {
             return null;
         }
-        ComponentName adminComponent = dpm.getProfileOwnerAsUser(user);
+
+        Context userContext;
+        try {
+            userContext = context.createPackageContextAsUser(context.getPackageName(), 0, user);
+        } catch (PackageManager.NameNotFoundException e) {
+            throw new IllegalStateException(e);
+        }
+
+        ComponentName adminComponent = userContext.getSystemService(
+                DevicePolicyManager.class).getProfileOwner();
         if (adminComponent != null) {
             return new EnforcedAdmin(adminComponent, enforcedRestriction, user);
         }