audio_input: unbind default buffer from file buffer

Change-Id: Iccf2b2234ecc17e8ef3c4cb2f144648aee8bbc45

src/media/audio/audio_input.cpp

@@ -187,6 +187,7 @@ AudioInput::switchInput(const std::string& resource)
     decoder_.reset();
     decodingFile_ = false;
     Manager::instance().getRingBufferPool().unBindHalfDuplexOut(id_, fileId_);
+    Manager::instance().getRingBufferPool().unBindHalfDuplexOut(RingBufferPool::DEFAULT_ID, fileId_);
     fileBuf_.reset();
 
     currentResource_ = resource;