Modify quant-dequant node api to take module object and method name (#21407)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21407
Modify api takes module object and method whose graph is
instrumented to insert the quant dequant nodes
Differential Revision: D15651624
fbshipit-source-id: 1ff1ae446c986184c724504c8fdd0dcd43864016
