Stub out feature flag UI

Bug: 36222960
Test: make -j40 RunSettingsRoboTests
Change-Id: Id2483d39018b2d93868f4ef7032124795ea91a53

src/com/android/settings/development/featureflags/FeatureFlagsDashboard.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2017 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.development.featureflags;
+
+import android.content.Context;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.List;
+
+public class FeatureFlagsDashboard extends DashboardFragment {
+
+    private static final String TAG = "FeatureFlagsDashboard";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.SETTINGS_FEATURE_FLAGS_DASHBOARD;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.placeholder_prefs;
+    }
+
+    @Override
+    protected int getHelpResource() {
+        return 0;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return null;
+    }
+}