Update XNNPACK to Git revision 1b354636b5942826547055252f3b359b54acff95. (#35081)
Summary:
Required to fix a build issue in https://github.com/pytorch/pytorch/issues/33766.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35081
Reviewed By: dreiss
Differential Revision: D20567230
Pulled By: AshkanAliabadi
fbshipit-source-id: 1ed61708851402f60b80abc818ae7330e43adb83