Enable test_qnn_delegate tests to run on PR (#19050) #3115

Job	Run time
test-arm / test-backend-linux (arm_tosa_fp, models) / linux-job	31m 22s
test-arm / test-backend-linux (arm_vgf_fp, models) / linux-job	32m 11s
test-arm / test-backend-linux (arm_tosa_fp, operators) / linux-job	19m 12s
test-arm / test-backend-linux (arm_vgf_fp, operators) / linux-job	16m 23s
test-arm / test-backend-macos	0s
test-arm / package-golden-artifacts	44s
	1h 39m 52s

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