Use MetricsFeatureProvider for condition/suggestion/search.

Bug: 31664539
Test: make RunSettingsRoboTests

This allows different metric clients to listen to these events.

Change-Id: Ib19c8099b16ff78d9aa4901278e0ff33eeefd4a8

tests/robotests/src/com/android/internal/app/NightDisplayController.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 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.internal.app;
+
+/**
+ * Fake controller to make robolectric test compile. Should be removed when Robolectric supports
+ * API 25.
+ */
+public class NightDisplayController {
+
+    public interface Callback {
+
+    }
+}