reduce parameter space of test_1x1_conv to avoid timeout (#16223)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16223
As title says
Reviewed By: jamesr66a
Differential Revision: D13758202
fbshipit-source-id: 3cdffb80a5dad53b29e65e8eb0ae128edba70dbb
