Fix macOS CI after --remote_download_minimal flip

This was flipped in bazelbuild/continuous-integration#1579, but breaks
//tests/core/cgo:versioned_dylib_test.

Author: fmeum

.bazelci/presubmit.yml

@@ -368,6 +368,9 @@ tasks:
     build_flags:
       - "--incompatible_config_setting_private_default_visibility"
       - "--incompatible_enforce_config_setting_visibility"
+      # Temporary rollback to fix //tests/core/cgo:versioned_dylib_test
+      # https://github.com/bazelbuild/continuous-integration/commit/a95a916098d3015bb4ea20b7e33bc7d27d00bffc
+      - "--remote_download_all"
     build_targets:
     - "//..."
     test_targets: