Add Arduino library support for ExecuTorch (#20221) #8685

Job	Run time
test-xnnpack / test-backend-linux (xnnpack, models) / linux-job	20m 55s
test-xnnpack / test-backend-linux (xnnpack_dynamic_int8_per_channel, operators) / linux-job	19m 12s
test-xnnpack / test-backend-linux (xnnpack_static_int8_per_tensor, operators) / linux-job	20m 35s
test-xnnpack / test-backend-linux (xnnpack, operators) / linux-job	14m 18s
test-xnnpack / test-backend-linux (xnnpack_static_int8_per_tensor, models) / linux-job	20m 36s
test-xnnpack / test-backend-linux (xnnpack_dynamic_int8_per_channel, models) / linux-job	17m 26s
test-xnnpack / test-backend-linux (xnnpack_static_int8_per_channel, operators) / linux-job	20m 16s
test-xnnpack / test-backend-linux (xnnpack_static_int8_per_channel, models) / linux-job	20m 14s
test-xnnpack / test-backend-macos	0s
test-xnnpack / package-golden-artifacts	1s
	2h 33m 33s

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