Allow zip64 support when opening zip files

When opening an zip file through zipfile.ZipFile(), python2 by default
disables zip64 support. To support update files >4GB, we manually add
allowZip64 to override the setting.

Test: generate && serve an OTA

Change-Id: I9645e963ced830cc2d3a4b72bc63b9369a1cefe8
diff --git a/tools/releasetools/ota_package_parser.py b/tools/releasetools/ota_package_parser.py
index 331122b..1e733b9 100755
--- a/tools/releasetools/ota_package_parser.py
+++ b/tools/releasetools/ota_package_parser.py
@@ -215,7 +215,7 @@
   logging.basicConfig(level=logging.INFO, format=logging_format)
 
   try:
-    with zipfile.ZipFile(args.ota_package, 'r') as package:
+    with zipfile.ZipFile(args.ota_package, 'r', allowZip64=True) as package:
       package_parser = OtaPackageParser(package)
       package_parser.Analyze()
   except: