supersize: Add symbol.template_name, and strip <>s from symbol.name

tools/binary_size/libsupersize/diff.py

Index: tools/binary_size/libsupersize/diff.py
diff --git a/tools/binary_size/libsupersize/diff.py b/tools/binary_size/libsupersize/diff.py
index aa7705457b6c50d4717a7d98bbf205a6a7368938..4b7063c3eb59040966aa049544682c4aff821df1 100644
--- a/tools/binary_size/libsupersize/diff.py
+++ b/tools/binary_size/libsupersize/diff.py
@@ -24,7 +24,7 @@ def _SymbolKey(symbol):
     "._468", "._467"
     ".L__unnamed_1193", ".L__unnamed_712"
   """
-  name = symbol.full_name or symbol.name
+  name = symbol.full_name
   clone_idx = name.find(' [clone ')
   if clone_idx != -1:
     name = name[:clone_idx]
@@ -45,9 +45,9 @@ def _CloneSymbol(sym, size):
   Padding and aliases are not copied.
   """
   return models.Symbol(
-      sym.section_name, size, address=sym.address, name=sym.name,
-      source_path=sym.source_path, object_path=sym.object_path,
-      full_name=sym.full_name, flags=sym.flags)
+      sym.section_name, size, address=sym.address, full_name=sym.full_name,
+      template_name=sym.template_name, name=sym.name,
+      source_path=sym.source_path, object_path=sym.object_path, flags=sym.flags)
 
 
 def _CloneAlias(sym, diffed_alias):
@@ -175,9 +175,7 @@ def _DiffSymbolGroups(before, after):
       similar.append(models.Symbol(
           section_name, padding,
           name="** aggregate padding of diff'ed symbols"))
-  return models.SymbolDiff(
-      added, removed, similar, name=after.name, full_name=after.full_name,
-      section_name=after.section_name)
+  return models.SymbolDiff(added, removed, similar)
 
 
 def Diff(before, after):