[quant] Sorting the list of dispathes (#42758)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/42758
Test Plan: Imported from OSS
Reviewed By: vkuzo
Differential Revision: D23011764
Pulled By: z-a-f
fbshipit-source-id: df87acdcf77ae8961a109eaba20521bc4f27ad0e