Add support for Bluetooth MIDI devices

The Bluetooth MIDI devices are handled in the BluetoothMidiService APK.
Apps wishing to connect to Bluetooth MIDI devices call MidiManager.openBluetoothDevice()
which binds to BluetoothMidiService in a similar way as virtual devices are implemented.

Change-Id: Ie3fbca757928fd7873a009f9bf9e0ce0be487da6
diff --git a/media/packages/BluetoothMidiService/Android.mk b/media/packages/BluetoothMidiService/Android.mk
new file mode 100644
index 0000000..2c9c3c5
--- /dev/null
+++ b/media/packages/BluetoothMidiService/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := BluetoothMidiService
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)