Add a method to reset circular references in audio flinger service

Bug: 330882064
Test: ./audioflinger_aidl_fuzzer
(cherry picked from https://partner-android-review.googlesource.com/q/commit:35b5c8065936ff3a1daa565ee61c010009688251)
Change-Id: Ibc02685bfddfb01a4ff18c6c16d2e49702eb24ee
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index cf3b43a..a707909 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -923,6 +923,11 @@
     return statusTFromBinderStatus(mDelegate->setTracksInternalMute(tracksInternalMuted));
 }
 
+status_t AudioFlingerClientAdapter::resetReferencesForTest() {
+    RETURN_STATUS_IF_ERROR(statusTFromBinderStatus(mDelegate->resetReferencesForTest()));
+    return OK;
+}
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // AudioFlingerServerAdapter
 AudioFlingerServerAdapter::AudioFlingerServerAdapter(
@@ -1487,4 +1492,9 @@
     return Status::fromStatusT(mDelegate->setTracksInternalMute(tracksInternalMute));
 }
 
+Status AudioFlingerServerAdapter::resetReferencesForTest() {
+    RETURN_BINDER_IF_ERROR(mDelegate->resetReferencesForTest());
+    return Status::ok();
+}
+
 } // namespace android
diff --git a/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
index e8fcf77..4f00f83 100644
--- a/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
+++ b/media/libaudioclient/aidl/android/media/IAudioFlingerService.aidl
@@ -299,6 +299,12 @@
      */
     void setTracksInternalMute(in TrackInternalMuteInfo[] tracksInternalMute);
 
+    /*
+     * Reset Circular references in AudioFlinger service.
+     * Test API
+     */
+     void resetReferencesForTest();
+
     // When adding a new method, please review and update
     // IAudioFlinger.h AudioFlingerServerAdapter::Delegate::TransactionCode
     // AudioFlinger.cpp AudioFlinger::onTransactWrapper()
diff --git a/media/libaudioclient/include/media/IAudioFlinger.h b/media/libaudioclient/include/media/IAudioFlinger.h
index 860a0bc..211fffa 100644
--- a/media/libaudioclient/include/media/IAudioFlinger.h
+++ b/media/libaudioclient/include/media/IAudioFlinger.h
@@ -392,6 +392,8 @@
 
     virtual status_t setTracksInternalMute(
             const std::vector<media::TrackInternalMuteInfo>& tracksInternalMute) = 0;
+
+    virtual status_t resetReferencesForTest() = 0;
 };
 
 /**
@@ -510,6 +512,7 @@
                              struct audio_port_v7 *mixPort) const override;
     status_t setTracksInternalMute(
             const std::vector<media::TrackInternalMuteInfo>& tracksInternalMute) override;
+    status_t resetReferencesForTest() override;
 
 private:
     const sp<media::IAudioFlingerService> mDelegate;
@@ -613,6 +616,8 @@
                     media::BnAudioFlingerService::TRANSACTION_getAudioPolicyConfig,
             GET_AUDIO_MIX_PORT = media::BnAudioFlingerService::TRANSACTION_getAudioMixPort,
             SET_TRACKS_INTERNAL_MUTE = media::BnAudioFlingerService::TRANSACTION_setTracksInternalMute,
+            RESET_REFERENCES_FOR_TEST =
+                    media::BnAudioFlingerService::TRANSACTION_resetReferencesForTest,
         };
 
     protected:
@@ -751,6 +756,7 @@
                            media::AudioPortFw* _aidl_return) override;
     Status setTracksInternalMute(
             const std::vector<media::TrackInternalMuteInfo>& tracksInternalMute) override;
+    Status resetReferencesForTest() override;
 private:
     const sp<AudioFlingerServerAdapter::Delegate> mDelegate;
 };