[ET Device Support] Emitter reads non_const_buffer_device from graph meta #1853

Job	Run time
test-arm / test-backend-linux (arm_tosa_fp, operators) / linux-job	18m 53s
test-arm / test-backend-linux (arm_vgf_fp, models) / linux-job	25m 59s
test-arm / test-backend-linux (arm_vgf_fp, operators) / linux-job	16m 51s
test-arm / test-backend-macos	0s
test-arm / test-backend-linux (arm_tosa_fp, models) / linux-job	25m 25s
test-arm / package-golden-artifacts	45s
	1h 27m 53s

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