🎄 Fix resource_sizes.py when no pak files exist.

build/android/resource_sizes.py

Index: build/android/resource_sizes.py
diff --git a/build/android/resource_sizes.py b/build/android/resource_sizes.py
index 56e5a4969f6043df9f2f1f5b05e21c91dbc6471b..bf43c6cb0839f3b6abed94f8a6672d988cb2eb43 100755
--- a/build/android/resource_sizes.py
+++ b/build/android/resource_sizes.py
@@ -184,7 +184,8 @@ class _FileGroup(object):
     return len(self._zip_infos)
 
   def FindByPattern(self, pattern):
-    return next(i for i in self._zip_infos if re.match(pattern, i.filename))
+    return next((i for i in self._zip_infos if re.match(pattern, i.filename)),
+                None)
 
   def FindLargest(self):
     return max(self._zip_infos, key=lambda i: i.file_size)