Do not invalidate stream when the secondary outputs are changed.

When a dynamic policy is registered, the secondary outputs may be
changed. Instead of tearing down the tracks, only tracks whose secondary
outputs are changed will be updated with the new secondary outputs.

Bug: 181582467
Bug: 174123397
Test: atest AudioPlaybackCaptureTest audiopolicy_tests
Test: repo steps in the bug
Change-Id: I9a47a0a4b37ad3f4a1d554dd726ebffb27325141
(cherry picked from commit 10a03f1713e29eadfa862087e504f9e14964387e)
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 5f052a5..a904321 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_AUDIOPOLICY_INTERFACE_H
 #define ANDROID_AUDIOPOLICY_INTERFACE_H
 
+#include <media/AudioCommonTypes.h>
 #include <media/AudioDeviceTypeAddr.h>
 #include <media/AudioSystem.h>
 #include <media/AudioPolicy.h>
@@ -453,6 +454,9 @@
     virtual void setSoundTriggerCaptureState(bool active) = 0;
 
     virtual status_t getAudioPort(struct audio_port_v7 *port) = 0;
+
+    virtual status_t updateSecondaryOutputs(
+            const TrackSecondaryOutputsMap& trackSecondaryOutputs) = 0;
 };
 
     // These are the signatures of createAudioPolicyManager/destroyAudioPolicyManager