pytorch

d665097c - allow Bazel to build without glog and gflags (#70850)

allow Bazel to build without glog and gflags (#70850) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/70850 We support both, so we want to ensure both continue to work. ghstack-source-id: 146960552 Test Plan: Tested manually. A subsequent diff adds this test configuration to CI. Reviewed By: malfet Differential Revision: D33297464 fbshipit-source-id: 70e1431d0907d480c576239af93ef57036d5e4d7