Upgrade Windows python prebuilts to 3.8.5

Also add vc runtime dlls.

Built at:
http://fusion/1952e09f-9b72-4093-876a-95577147ce7f

Change-Id: I583988baa81a59d7bc7cf0689fbd5ceab1e17f29
diff --git a/Lib/pdb.py b/Lib/pdb.py
index bf503f1..0810235 100644
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -79,6 +79,7 @@
 import pprint
 import signal
 import inspect
+import tokenize
 import traceback
 import linecache
 
@@ -93,7 +94,7 @@
 def find_function(funcname, filename):
     cre = re.compile(r'def\s+%s\s*[(]' % re.escape(funcname))
     try:
-        fp = open(filename)
+        fp = tokenize.open(filename)
     except OSError:
         return None
     # consumer of this info expects the first line to be 1
@@ -473,7 +474,7 @@
         except Exception:
             ret = []
         # Then, try to complete file names as well.
-        globs = glob.glob(text + '*')
+        globs = glob.glob(glob.escape(text) + '*')
         for fn in globs:
             if os.path.isdir(fn):
                 ret.append(fn + '/')