Add torch.nn.LSTM into the default dynamic quantize mappings (#25954)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25954
Add torch.nn.LSTM into the default dynamic quantize mappings. We will by default dynamic quantize LSTM when we apply the quantize_dynamic API.
ghstack-source-id: 89839673
Test Plan: CI
Differential Revision: D17294958
fbshipit-source-id: 824aceef821276b3e28c52ce3bebafaf9b0a0833