Load zen mode type icon options from the proper resources

* Move default mode icons from Settings res to core res.
* Add array resources for the icon options and their descriptions.
* As the initial version of the list, use the default mode icons.

Bug: 333901673
Test: atest IconOptionsProviderImplTest
Flag: android.app.modes_ui
Change-Id: I66669e67a9d607268c05d5ed3df6c9555e57864c

tests/robotests/src/com/android/settings/notification/modes/IconOptionsProviderImplTest.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 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.notification.modes;
+
+import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+
+import com.android.settings.R;
+
+import com.google.common.collect.ImmutableList;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class IconOptionsProviderImplTest {
+
+    private static final int EXPECTED_NUMBER_OF_ICON_OPTIONS = 9;
+
+    @Test
+    public void iconResources_correctResources() {
+        Context context = RuntimeEnvironment.getApplication();
+        String[] descriptions = context.getResources().getStringArray(
+                R.array.zen_mode_icon_options_descriptions);
+        assertThat(descriptions).hasLength(EXPECTED_NUMBER_OF_ICON_OPTIONS);
+
+        try (TypedArray icons = context.getResources().obtainTypedArray(
+                R.array.zen_mode_icon_options)) {
+            assertThat(icons.length()).isEqualTo(EXPECTED_NUMBER_OF_ICON_OPTIONS);
+        }
+    }
+
+    @Test
+    public void getIcons_returnsList() {
+        Context context = RuntimeEnvironment.getApplication();
+        IconOptionsProviderImpl provider = new IconOptionsProviderImpl(context);
+
+        ImmutableList<IconOptionsProvider.IconInfo> iconOptions = provider.getIcons();
+        assertThat(iconOptions).hasSize(EXPECTED_NUMBER_OF_ICON_OPTIONS);
+        for (int i = 0; i < iconOptions.size(); i++) {
+            assertWithMessage("Checking description of item #" + i)
+                    .that(iconOptions.get(i).description()).isNotEmpty();
+        }
+    }
+}

tests/robotests/src/com/android/settings/notification/modes/ZenModeIconPickerListPreferenceControllerTest.java

@@ -27,6 +27,7 @@ import android.app.AutomaticZenRule;
 import android.content.Context;
 import android.net.Uri;
 
+import androidx.annotation.NonNull;
 import androidx.preference.PreferenceScreen;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -95,6 +96,7 @@ public class ZenModeIconPickerListPreferenceControllerTest {
     private static class TestIconOptionsProvider implements IconOptionsProvider {
 
         @Override
+        @NonNull
         public ImmutableList<IconInfo> getIcons() {
             return ImmutableList.of(
                     new IconInfo(R.drawable.ic_android, "android"),