Use CapabilityBasedPartitioner in AotiPartitioner (#20384) #12384

Job	Run time
CI run decision / decide	31s
Get changed files / get-changed-files	3s
test-metal-backend-modules / macos-job	10m 39s
test-metal-qwen35-moe-tiny / macos-job	9m 23s
test-executorch-metal-build / macos-job	6m 28s
export-model-metal-artifact	0s
test-model-metal-e2e	0s
	27m 4s

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