Temporarily disable gsutil public-read

This is to test uniform access control setup

Bug: b/177799191
Change-Id: I0a02ad1bdcb16c650aba330a73b8fcc12526c657
diff --git a/tools/utils.py b/tools/utils.py
index 2a4b18e..57af1e0 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -344,7 +344,9 @@
   if is_html:
     cmd += ['-z', 'html']
   if public_read:
-    cmd += ['-a', 'public-read']
+    # TODO(b/177799191) Temporarily disable public-read to test uniform access control
+    if 'r8-test-results' not in destination:
+      cmd += ['-a', 'public-read']
   cmd += ['-R', directory, destination]
   PrintCmd(cmd)
   subprocess.check_call(cmd)