Use CapabilityBasedPartitioner in AotiPartitioner (#20384) #12391

Job	Run time
CI run decision / decide	31s
Get changed files / get-changed-files	5s
test-executorch-metal-build / macos-job	6m 17s
test-metal-qwen35-moe-tiny / macos-job	9m 30s
test-metal-backend-modules / macos-job	10m 45s
export-model-metal-artifact	-1s
test-model-metal-e2e	-1s
	27m 6s

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