[quant] out-variant for the reflection pad (#48037)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/48037
Test Plan: Imported from OSS
Reviewed By: ayush29feb
Differential Revision: D25000345
Pulled By: z-a-f
fbshipit-source-id: 8404239a70136dd8ba1ede9695af0cf848b933a2
