Add ReverseSequence #2380

Job	Run time
test (1, ubuntu-latest, core_layers)	14m 2s
test (1, ubuntu-latest, contrib)	12m 11s
test (1, ubuntu-latest, helpers)	9m 34s
test (1, ubuntu-latest, distributed)	8m 38s
test (1, ubuntu-latest, normalize_layers)	15m 55s
test (1, ubuntu-latest, others)	10m 36s
test (1, ubuntu-latest, autodiff)	39m 39s
test (1, ubuntu-latest, recurrent_layers)	33m 58s
test (1, macos-latest, core_layers)	10m 44s
test (1, macos-latest, contrib)	16m 37s
test (1, macos-latest, helpers)	6m 9s
test (1, macos-latest, distributed)	5m 35s
test (1, macos-latest, normalize_layers)	9m 28s
test (1, macos-latest, others)	6m 59s
test (1, macos-latest, autodiff)	39m 7s
test (1, macos-latest, recurrent_layers)	19m 32s
test (1, windows-latest, core_layers)	23m 24s
test (1, windows-latest, contrib)	25m 44s
test (1, windows-latest, helpers)	23m 26s
test (1, windows-latest, distributed)	19m 37s
test (1, windows-latest, normalize_layers)	24m 0s
test (1, windows-latest, others)	22m 58s
test (1, windows-latest, autodiff)	49m 38s
test (1, windows-latest, recurrent_layers)	41m 16s
	8h 8m 47s

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