Make isUsingUnifiedPassword throw when used on parent instance

It doesn't make sense to call it via parent instance.

Bug: 70788883
Test: cts-tradefed run cts -m DevicePolicyManager -t com.android.cts.devicepolicy.ManagedProfileTest#testParentProfileApiDisabled
Change-Id: I66334757ca8e9ee2525dbe88c83216563837aee6

diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index 89df421..4bb4c50 100644 (file)
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -2676,6 +2676,7 @@ public class DevicePolicyManager {
      * @see UserManager#DISALLOW_UNIFIED_PASSWORD
      */
     public boolean isUsingUnifiedPassword(@NonNull ComponentName admin) {
+        throwIfParentInstance("isUsingUnifiedPassword");
         if (mService != null) {
             try {
                 return mService.isUsingUnifiedPassword(admin);