Add bounds checking on buffer_idx for constant_buffer and constant_data in XNNPACK #2265

Job	Run time
test-qnn / test-backend-linux (qnn, operators) / linux-job	13m 59s
test-qnn / test-backend-linux (qnn, models) / linux-job	26m 8s
test-qnn / test-backend-macos	0s
test-qnn / package-golden-artifacts	2m 34s
	42m 41s

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