Backward compatibility for the Wav2Vec2 ASR model #2933

Job	Run time
build-and-test-cpp-aarch64 (openblas)	11m 55s
build-python-wheels (ubuntu-20.04, auto64)	35m 11s
build-and-test-cpp-x86_64 (ubuntu-20.04, mkl)	6m 21s
build-python-wheels (windows-2019, auto64)	40m 42s
build-and-test-cpp-x86_64 (ubuntu-20.04, dnnl)	5m 49s
build-python-wheels (ubuntu-20.04, aarch64)	41m 0s
build-and-push-docker-images	30m 35s
check-python-style	8s
build-python-wheels (macos-12, arm64)	8m 17s
build-and-deploy-docs	0s
test-python-wheels	0s
publish-python-wheels-on-pypi	0s
	2h 59m 58s

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