audioflinger: fix metadata for OutputTrack

Fix regression introduced by commit b9cc0ab4 preventing
OutputTracks from forwarding meta data from the duplicating threads to
the downstream mixers.

Bug: 233580950
Test: make
Change-Id: Ide5f5aaf2be73acd32268c2e5483b06a27e8bb75
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 56ebb6e..6851a83 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -3136,10 +3136,7 @@
     auto backInserter = std::back_inserter(metadata.tracks);
     for (const sp<Track> &track : mActiveTracks) {
         // No track is invalid as this is called after prepareTrack_l in the same critical section
-        // Do not forward metadata for PatchTrack with unspecified stream type
-        if (track->streamType() != AUDIO_STREAM_PATCH) {
-            track->copyMetadataTo(backInserter);
-        }
+        track->copyMetadataTo(backInserter);
     }
     sendMetadataToBackend_l(metadata);
 }
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 6135020..76892cd 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1400,6 +1400,11 @@
 
 void AudioFlinger::PlaybackThread::Track::copyMetadataTo(MetadataInserter& backInserter) const
 {
+    // Do not forward metadata for PatchTrack with unspecified stream type
+    if (mStreamType == AUDIO_STREAM_PATCH) {
+        return;
+    }
+
     playback_track_metadata_v7_t metadata;
     metadata.base = {
             .usage = mAttr.usage,