audio: bind to audio metering api

src/api/avmodel.h

src/api/behaviorcontroller.h

src/avmodel.cpp

src/callbackshandler.cpp

src/callbackshandler.h

src/newaccountmodel.cpp

src/qtwrapper/configurationmanager_wrap.h

src/qtwrapper/videomanager_wrap.h

test/mocks/configurationmanager_mock.h

test/mocks/videomanager_mock.h