Normalize reserved color_trc before scaling in VideoH264 #824

Job	Run time
deploy (temporal-httpin/httpin.Dockerfile)	1m 59s
deploy (temporal-triggerui/trigger_ui.Dockerfile)	2m 0s
deploy (temporal-worker/worker.Dockerfile)	2m 0s
deploy (temporal-transcode-worker/transcode-worker.Dockerfile)	2m 5s
	8m 4s

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