message: Propagate -Wno-undef to call_config_utils dependants.
  Cr-Commit-Position: refs/heads/master@{#28569}
diff: @@ -937,6 +937,9 @@ if (!build_with_chromium && is_android) {
  }
  rtc_source_set("call_config_utils") {
  + # TODO(bugs.webrtc.org/10814): Remove rtc_json_suppressions as soon as it
  + # gets removed upstream.
  + public_configs = [ "../rtc_base:rtc_json_suppressions" ]
  sources = [
  "call_config_utils.cc",
  "call_config_utils.h",
  