Move prototype to unstable #5005

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	15m 3s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	25m 5s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	27m 43s
pytorch_tutorial_build_worker (12, 15, linux.g5.4xlarge.nvidia.gpu)	16m 32s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	22m 48s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	24m 58s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	30m 38s
pytorch_tutorial_build_worker (7, 15, linux.g5.4xlarge.nvidia.gpu)	34m 39s
pytorch_tutorial_build_worker (11, 15, linux.g5.4xlarge.nvidia.gpu)	14m 59s
pytorch_tutorial_build_worker (8, 15, linux.g5.4xlarge.nvidia.gpu)	25m 17s
pytorch_tutorial_build_worker (10, 15, linux.g5.4xlarge.nvidia.gpu)	30m 35s
pytorch_tutorial_build_worker (15, 15, linux.g5.4xlarge.nvidia.gpu)	19m 34s
pytorch_tutorial_build_worker (13, 15, linux.g5.4xlarge.nvidia.gpu)	15m 38s
pytorch_tutorial_build_worker (9, 15, linux.g5.4xlarge.nvidia.gpu)	19m 0s
pytorch_tutorial_build_worker (14, 15, linux.g5.4xlarge.nvidia.gpu)	27m 46s
pytorch_tutorial_build_manager	21m 31s
	6h 11m 46s

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