Fix test_jit_cuda_archflags failure on py27 due to changing dict order. (#24501)
Summary:
See gh-23408.
Was failing for `pytorch_linux_xenial_cuda9_cudnn7_py2_test`.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/24501
Differential Revision: D16860932
Pulled By: soumith
fbshipit-source-id: 715858d905f74a23e42a9a1da97f036a3e30f0c9
