DND ixD changes

- Subtext in Settings > Sound updated
- new icons for automatic dnd rules
- no toast when toggling on/off dnd rules
- dnd dialog has a warning if dnd will cause user to miss next alarm

Test: make ROBOTEST_FILTER=ZenModePreferenceControllerTest RunSettingsRoboTests -j40
Fixes: 72494029
Fixes: 72655216
Fixes: 72655609
Change-Id: I9d86d82529079f35e362f93e10914f0a60229cd8

src/com/android/settings/notification/SettingsEnableZenModeDialog.java

@@ -0,0 +1,37 @@
+/*
+ * 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.notification;
+
+import android.app.Dialog;
+import android.os.Bundle;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+
+public class SettingsEnableZenModeDialog extends InstrumentedDialogFragment {
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+         return new com.android.settingslib.notification.EnableZenModeDialog(
+                 getContext()).createDialog();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+       return MetricsProto.MetricsEvent.NOTIFICATION_ZEN_MODE_ENABLE_DIALOG;
+    }
+}