Adding explicit routing API to AudioTrack

Change-Id: I40c048c7644c46f4e4f7103875206c0785c4b1dc
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index fecc6f1..7506153 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -66,6 +66,7 @@
                                         audio_format_t format = AUDIO_FORMAT_DEFAULT,
                                         audio_channel_mask_t channelMask = 0,
                                         audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                        audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
                                         const audio_offload_info_t *offloadInfo = NULL) = 0;
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,