Revert of Add deduplication logic to .pak files

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 099f71dec8b6aff80dd142a974bb75c583b9d974..76f03fb4e30f41c81589e574491823e04c8f171d 100755
--- a/build/android/resource_sizes.py
+++ b/build/android/resource_sizes.py
@@ -562,17 +562,12 @@
   # Calculate aggregate stats about resources across pak files.
   resource_count_map = collections.defaultdict(int)
   resource_size_map = collections.defaultdict(int)
-  seen_data_ids = set()
-  alias_overhead_bytes = 4
   resource_overhead_bytes = 6
   for pak in paks:
-    for k, v in pak.resources.iteritems():
-      resource_count_map[k] += 1
-      if id(v) not in seen_data_ids:
-        seen_data_ids.add(id(v))
-        resource_size_map[k] += resource_overhead_bytes + len(v)
-      else:
-        resource_size_map[k] += alias_overhead_bytes
+    for r in pak.resources:
+      resource_count_map[r] += 1
+      resource_size_map[r] += len(pak.resources[r]) + resource_overhead_bytes
+
   # Output the overall resource summary.
   total_resource_size = sum(resource_size_map.values())
   total_resource_count = len(resource_count_map)