Add SafeSites related content filters preference.

Test: atest SupervisionSafeSitesPreferenceTest
Test: maunally tested locally
Bug: 401568993
Flag: android.app.supervision.flags.enable_web_content_filters_screen
Change-Id: I556019bdeba5ed459996102217836cda0e3c7f71

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

@@ -0,0 +1,53 @@
+/*
+ * 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.android.settings.R
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class SupervisionSafeSitesPreferenceTest {
+    private val context: Context = ApplicationProvider.getApplicationContext()
+
+    private val allowAllSitesPreference = SupervisionAllowAllSitesPreference()
+
+    private val blockExplicitSitesPreference = SupervisionBlockExplicitSitesPreference()
+
+    @Test
+    fun getTitle_allowAllSites() {
+        assertThat(allowAllSitesPreference.title)
+            .isEqualTo(R.string.supervision_web_content_filters_browser_allow_all_sites_title)
+    }
+
+    @Test
+    fun getTitle_blockExplicitSites() {
+        assertThat(blockExplicitSitesPreference.title)
+            .isEqualTo(R.string.supervision_web_content_filters_browser_block_explicit_sites_title)
+    }
+
+    @Test
+    fun getSummary_blockExplicitSites() {
+        assertThat(blockExplicitSitesPreference.summary)
+            .isEqualTo(
+                R.string.supervision_web_content_filters_browser_block_explicit_sites_summary
+            )
+    }
+}