AIDL effect: Add ashmem buffer implementation in libaudiohal

Also add TIME_CHECK and binder dump call implementation

Bug: 261129656
Test: enable AIDL
Test: atest
android.media.audio.cts.LoudnessEnhancerTest#test3_0MeasureGainChange
and check if data consumed by effect threads.

Change-Id: Ib2462bf47c7e9602d9eceed1bfb28d38b559fe65
diff --git a/media/libaudiohal/impl/EffectBufferHalAidl.h b/media/libaudiohal/impl/EffectBufferHalAidl.h
index f488708..035314b 100644
--- a/media/libaudiohal/impl/EffectBufferHalAidl.h
+++ b/media/libaudiohal/impl/EffectBufferHalAidl.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <aidl/android/hardware/common/Ashmem.h>
+
 #include <media/audiohal/EffectBufferHalInterface.h>
 #include <system/audio_effect.h>
 
@@ -44,16 +46,18 @@
   private:
     friend class EffectBufferHalInterface;
 
+    // buffer size in bytes
     const size_t mBufferSize;
     bool mFrameCountChanged;
     void* mExternalData;
+    aidl::android::hardware::common::Ashmem mMemory;
     audio_buffer_t mAudioBuffer;
 
     // Can not be constructed directly by clients.
     explicit EffectBufferHalAidl(size_t size);
 
     ~EffectBufferHalAidl();
-
+    void copy(void* dst, const void* src, size_t n) const;
     status_t init();
 };