message: Fix the XLA disabling mechanism in configure.py
  Environment variables are strings, not integers.'0' does not evaluate to false.
diff: @@ -1390,7 +1390,7 @@ def main():
  else:
  environ_cp['TF_CONFIGURE_IOS'] = '0'
  - if environ_cp.get('TF_ENABLE_XLA', 1):
  + if environ_cp.get('TF_ENABLE_XLA', '1') == '1':
  write_to_bazelrc('build --config=xla')
  set_action_env_var(
  