Add missing ${CMAKE_CURRENT_SOURCE_DIR}/complex_test.cpp (#37080)
Summary:
This test is never built in OSS CI
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37080
Differential Revision: D21179296
Pulled By: anjali411
fbshipit-source-id: 22a5b82f17676213c8ec51642bef35dc61f9cace
