Make PythonWheelBuilder install .dist-info

Summary: It seems we need to "install" more than the rather hacky PythonWheelBuilder currently does. Unfortunately, I don't really know why the `.dist-info` directory was explicitly excluded before but apparently setuptools needs it to function correctly.

Reviewed By: alexmalyshev

Differential Revision: D92482792

fbshipit-source-id: 32d69ab3af53abe1a7595ef8f454a74f35c33023

Author: jbower-fb

build/fbcode_builder/getdeps/py_wheel_builder.py

@@ -151,7 +151,7 @@ def _build(self, reconfigure: bool) -> None:
         # Find sources from the root directory
         path_mapping = {}
         for entry in os.listdir(self.src_dir):
-            if entry in (dist_info_name, data_dir_name):
+            if entry == data_dir_name:
                 continue
             self._add_sources(path_mapping, os.path.join(self.src_dir, entry), entry)