Audio V4: Propagate audio attributes to tracks

This patch has not functional changes.

Bug: 38184704
Bug: 69623109
Test: play music and a audio
Change-Id: Ide6ec7de4dbfab4af2653475901c3b3daee36e52
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/services/audioflinger/MmapTracks.h b/services/audioflinger/MmapTracks.h
index 366a164..a210a1b 100644
--- a/services/audioflinger/MmapTracks.h
+++ b/services/audioflinger/MmapTracks.h
@@ -23,6 +23,7 @@
 class MmapTrack : public TrackBase {
 public:
                 MmapTrack(ThreadBase *thread,
+                            const audio_attributes_t& attr,
                             uint32_t sampleRate,
                             audio_format_t format,
                             audio_channel_mask_t channelMask,