Add Context Parallel tutorial #4160

Job	Run time
pytorch_tutorial_build_worker (1, 15, linux.g5.12xlarge.nvidia.gpu)	17m 11s
pytorch_tutorial_build_worker (5, 15, linux.g5.4xlarge.nvidia.gpu)	24m 35s
pytorch_tutorial_build_worker (8, 15, linux.4xlarge.nvidia.gpu)	18m 39s
pytorch_tutorial_build_worker (13, 15, linux.4xlarge.nvidia.gpu)	30m 18s
pytorch_tutorial_build_worker (2, 15, linux.g5.4xlarge.nvidia.gpu)	33m 27s
pytorch_tutorial_build_worker (11, 15, linux.4xlarge.nvidia.gpu)	19m 25s
pytorch_tutorial_build_worker (3, 15, linux.g5.4xlarge.nvidia.gpu)	24m 14s
pytorch_tutorial_build_worker (9, 15, linux.4xlarge.nvidia.gpu)	23m 30s
pytorch_tutorial_build_worker (14, 15, linux.4xlarge.nvidia.gpu)	35m 4s
pytorch_tutorial_build_worker (7, 15, linux.4xlarge.nvidia.gpu)	24m 20s
pytorch_tutorial_build_worker (10, 15, linux.4xlarge.nvidia.gpu)	21m 30s
pytorch_tutorial_build_worker (12, 15, linux.4xlarge.nvidia.gpu)	25m 53s
pytorch_tutorial_build_worker (15, 15, linux.4xlarge.nvidia.gpu)	52m 42s
pytorch_tutorial_build_worker (4, 15, linux.g5.4xlarge.nvidia.gpu)	36m 58s
pytorch_tutorial_build_worker (6, 15, linux.g5.4xlarge.nvidia.gpu)	23m 28s
pytorch_tutorial_build_manager	25m 44s
	7h 16m 58s

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