Update mapping dictionary to support functionalmodules and pooling operations (#25216)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25216
ghstack-source-id: 89045562
Test Plan: buck test mode/dev caffe2/test:quantization -- 'test_resnet_base\ \(test_quantization.PostTrainingQuantTest\)' --print-passing-details
Differential Revision: D17065029
fbshipit-source-id: b248abf6de162f38e35e6bace17bde1be9e38c57
