Add feature provider for bluetooth settings

Also add method to get settings uri for specific device. Use feature
provider here because it give us more flexibility.

Bug: 120803703
Test: RunSettingsRoboTests
Change-Id: I6f4840e76279c02a75b95fdecd822a72cb0b42e5

src/com/android/settings/bluetooth/BluetoothFeatureProvider.java

@@ -0,0 +1,32 @@
+/*
+ * 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.bluetooth;
+
+import android.net.Uri;
+
+/**
+ * Provider for bluetooth related feature
+ */
+public interface BluetoothFeatureProvider {
+
+    /**
+     * Get the {@link Uri} that represents extra settings for a specific bluetooth device
+     * @param macAddress Bluetooth mac address
+     * @return {@link Uri} for extra settings
+     */
+    Uri getBluetoothDeviceSettingsUri(String macAddress);
+}