message: Remove dep between test:test_support and rtc_base_approved.
  TBR:
  Cr-Commit-Position: refs/heads/master@{#29561}
diff: @@ -237,7 +237,6 @@ rtc_source_set("test_support") {
  public_configs = [ ":test_main_direct_config" ]
  deps = [
  "../rtc_base:ignore_wundef",
  - "../rtc_base:rtc_base_approved",
  "//testing/gmock",
  "//testing/gtest",
  ]
  