Create "Change PIN" settings UI

Test: atest SupervisionChangePinPreferenceTest
Test: manually on real device
Bug: 393193125
Flag: android.app.supervision.flags.enable_supervision_settings_screen
Change-Id: I9a9af5d502c45a7710bcb73455eae9a828f0f721

src/com/android/settings/supervision/SupervisionChangePinPreference.kt

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.supervision
+
+import android.content.Context
+import android.content.Intent
+import com.android.settings.R
+import com.android.settingslib.metadata.PreferenceMetadata
+
+/**
+ * Setting on PIN Management screen (Settings > Supervision > Manage Pin) that invokes the flow to
+ * update the existing device supervision PIN.
+ */
+class SupervisionChangePinPreference : PreferenceMetadata {
+    override val key: String
+        get() = "supervision_change_pin"
+
+    override val title: Int
+        get() = R.string.supervision_change_pin_preference_title
+
+    override fun intent(context: Context): Intent? {
+        // TODO(b/393450922): implement handling of change pin intent.
+        return super.intent(context)
+    }
+}

src/com/android/settings/supervision/SupervisionPinManagementScreen.kt

@@ -43,6 +43,7 @@ class SupervisionPinManagementScreen : PreferenceScreenCreator {
     override fun getPreferenceHierarchy(context: Context) =
         preferenceHierarchy(context, this) {
             // TODO(b/391992481) implement the screen.
+            +SupervisionChangePinPreference()
         }
 
     companion object {