Create yaml configs for documented export_llm use cases #822

Job	Run time
set-parameters	7s
prepare-test-specs (Qwen/Qwen3-0.6B, hf_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn:...	46s
prepare-test-specs (Qwen/Qwen3-0.6B, et_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn:...	43s
export-models (Qwen/Qwen3-0.6B, et_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn:aws:d... / macos-job	11m 41s
build-benchmark-app / macos-job	38m 43s
export-models (Qwen/Qwen3-0.6B, hf_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn:aws:d... / macos-job	12m 22s
upload-benchmark-app	42s
benchmark-on-device (Qwen/Qwen3-0.6B, et_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn... / mobile-job (ios)	14m 37s
benchmark-on-device (Qwen/Qwen3-0.6B, hf_xnnpack_custom_spda_kv_cache_8da4w, apple_iphone_15, arn... / mobile-job (ios)	16m 45s
upload-benchmark-results	1m 10s
	1h 37m 36s

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