[analyzer] SATestBuild.py: Fix handling invalid plist files after 2to3 conversion.

[NoQ]

Summary

The updated plistlib throws a different exception class.

[vsavchenko]

LGTM!

[NoQ]

Whoops, forgot to add the phabricator link. Committed in rG1a3b801db5a.

clang/utils/analyzer/SATestBuild.py

 import math
 import multiprocessing
 import os
 import plistlib
 import shutil
 import sys
 import threading
 import time
-from xml.parsers.expat import ExpatError
+
 try:
     import queue
 except ImportError:
     import Queue as queue
 
 ###############################################################################
 # Helper functions.
 ###############################################################################
for F in glob.glob(SBOutputDir + "/*/*.plist"):
         P = os.path.join(SBOutputDir, F)
 
         try:
             Data = plistlib.readPlist(P)
             # Delete empty reports.
             if not Data['files']:
                 os.remove(P)
                 continue
-        except ExpatError as e:
+        except plistlib.InvalidFileException as e:
             print('Error parsing plist file %s: %s' % (P, str(e)))
             continue
 
 
 def CleanUpEmptyFolders(SBOutputDir):
     """
     Remove empty folders from results, as git would not store them.
     """