Add dual-conv tests for add/sub dual-input ifm scaling (#18755) #30881

Job	Run time
gather-models	13s
test-models-linux (cmake, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	9m 17s
test-models-linux (cmake, mv3, portable, linux.2xlarge, 90) / linux-job	9m 2s
test-models-linux (buck2, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	10m 15s
test-models-linux (cmake, vit, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	10m 8s
test-models-linux (cmake, vit, portable, linux.2xlarge, 90) / linux-job	15m 55s
test-models-linux (buck2, mv3, portable, linux.2xlarge, 90) / linux-job	9m 12s
	1h 4m 2s

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