Skip dag_net_forking test on Rocm (#16639)
Summary:
-Skip the test due to flaky behavior on AMD/Rocm
-The fix is expected in Rocm 2.2 ( HSA runtime)
bddppq
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16639
Differential Revision: D13915231
Pulled By: bddppq
fbshipit-source-id: 66e1d275836337170b15ceb9d60cfdd3242d4df8
