pytorch

1011ac18 - [jit][edge] Create DynamicType for OptionalType in mobile. (#68137)

[jit][edge] Create DynamicType for OptionalType in mobile. (#68137) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/68137 A small step to replace existing OptionalType usage to DynamicType in Edge runtime. ghstack-source-id: 146670520 Test Plan: CI Reviewed By: iseeyuan Differential Revision: D32264617 fbshipit-source-id: 62d3ffad40901842deac19ca2098ea5ca132e718