bpo-33717: set terse to True when calling platform.platform in test.pythoninfo (GH-7797) (GH-7803)

(cherry picked from commit 71ca738f4cd2696d056d0cdb83bebd576f98ccc2)
Co-authored-by: Xiang Zhang <angwerzx@126.com>

Lib/test/pythoninfo.py

@@ -142,7 +142,7 @@ def collect_platform(info_add):
     info_add('platform.python_implementation',
              platform.python_implementation())
     info_add('platform.platform',
-             platform.platform(aliased=True))
+             platform.platform(aliased=True, terse=True))
 
 
 def collect_locale(info_add):