Adding explicit routing API to AudioTrack

Change-Id: I40c048c7644c46f4e4f7103875206c0785c4b1dc
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index e9ff8389..a763151 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -150,6 +150,7 @@
                                               audio_format_t format,
                                               audio_channel_mask_t channelMask,
                                               audio_output_flags_t flags,
+                                              int mSelectedDeviceId,
                                               const audio_offload_info_t *offloadInfo)
 {
     if (mAudioPolicyManager == NULL) {
@@ -158,7 +159,7 @@
     ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
     return mAudioPolicyManager->getOutputForAttr(attr, output, session, stream, samplingRate,
-                                    format, channelMask, flags, offloadInfo);
+                                    format, channelMask, flags, mSelectedDeviceId, offloadInfo);
 }
 
 status_t AudioPolicyService::startOutput(audio_io_handle_t output,
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
index 5a91192..372a9fa 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
@@ -569,6 +569,7 @@
                                               audio_format_t format,
                                               audio_channel_mask_t channelMask,
                                               audio_output_flags_t flags,
+                                              int selectedDeviceId __unused,
                                               const audio_offload_info_t *offloadInfo)
 {
     if (attr != NULL) {
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 0378384..f8dabd3 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -84,6 +84,7 @@
                                       audio_format_t format = AUDIO_FORMAT_DEFAULT,
                                       audio_channel_mask_t channelMask = 0,
                                       audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                      int selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
                                       const audio_offload_info_t *offloadInfo = NULL);
     virtual status_t startOutput(audio_io_handle_t output,
                                  audio_stream_type_t stream,