Add night display pref controllers and change UX

- Convert NightDisplaySettings to a DashboardFragment
- Add preference controllers for all Night Display settings
- Change UX for activation from a toggle to a button

Bug: 73739388
Bug: 69912911
Test: make -j100 and make RunSettingsRoboTests -j100
Change-Id: Ia173f16207ba59bf57eb7546cbb1e2dbca67b063

src/com/android/settings/display/NightDisplayFooterPreferenceController.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 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.display;
+
+import android.content.Context;
+import androidx.preference.Preference;
+import com.android.internal.app.ColorDisplayController;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.widget.FooterPreference;
+
+public class NightDisplayFooterPreferenceController extends BasePreferenceController {
+
+    public NightDisplayFooterPreferenceController(Context context) {
+        super(context, FooterPreference.KEY_FOOTER);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return ColorDisplayController.isAvailable(mContext) ? AVAILABLE : DISABLED_UNSUPPORTED;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        preference.setTitle(R.string.night_display_text);
+    }
+}