Add PIN recovery entry in supervision PIN management page.

Bug: b/390500290
Change-Id: I942fad663d0fb731215707d7c0b18359242aecb0
Test: atest SupervisionPinRecoveryPreferenceTest
Flag:android.app.supervision.flags.enable_supervision_pin_recovery_screen

tests/robotests/src/com/android/settings/supervision/SupervisionPinRecoveryPreferenceTest.kt

@@ -0,0 +1,36 @@
+/*
+ * 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 androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SupervisionPinRecoveryPreferenceTest {
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    private val supervisionPinRecoveryPreference = SupervisionPinRecoveryPreference()
+
+    @Test
+    fun getTitle() {
+        assertThat(supervisionPinRecoveryPreference.getPreferenceTitle(context))
+            .isEqualTo("Forgot PIN")
+    }
+}