Add a "Use high quality audio" option to Bluetooth A2DP device settings

This change adds a checkbox reading "Use high quality audio: <codec
name>" to the details dialog for A2DP audio bluetooth devices that
support codecs other than the mandatory SBC (eg AAC, LDAC, aptX, etc.).

Bug: 37441685
Test: make RunSettingsRoboTests

Change-Id: I6e5423db11a0cd7fe0b1141dd998e7c936c240f0

tests/robotests/src/android/bluetooth/BluetoothCodecConfig.java

@@ -0,0 +1,23 @@
+/*
+ * 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 android.bluetooth;
+
+/**
+ * A placeholder class to prevent ClassNotFound exceptions caused by lack of visibility.
+ */
+public class BluetoothCodecConfig {
+}