PatchPanel: Keep peer alive during use.

Test: BT call, switch from hearing aid to headset
Bug: 126789266
Change-Id: I589e5ecaac25c1ce1d504a387662b96cf50f63ba
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index ad78a45..5a43696 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -1723,6 +1723,7 @@
 
 AudioFlinger::PlaybackThread::PatchTrack::~PatchTrack()
 {
+    ALOGV("%s(%d)", __func__, mId);
 }
 
 status_t AudioFlinger::PlaybackThread::PatchTrack::start(AudioSystem::sync_event_t event,
@@ -2193,6 +2194,7 @@
 
 AudioFlinger::RecordThread::PatchRecord::~PatchRecord()
 {
+    ALOGV("%s(%d)", __func__, mId);
 }
 
 // AudioBufferProvider interface