message: [XLA] Don't call VisibleDeviceCount from GetSupportedPlatforms
diff: @@ -75,19 +75,6 @@ PlatformUtil::GetSupportedPlatforms() {
  auto* platform = platform_pair.second;
  auto compiler_status = Compiler::GetForPlatform(platform);
  if (compiler_status.ok()) {
  - if (platform->VisibleDeviceCount() > 0) {
  - LOG(INFO) << "platform " << platform->Name() << " present with "
  - << platform->VisibleDeviceCount() << " visible devices";
  - } else {
  - LOG(WARNING) << "platform " << platform->Name() << " present but no "
  - << "visible devices found";
  - }
  - // Note: currently we call zero device platforms "supported" on the basis
  - // that, if the platform support was linked in, it was probably intended
  - // to be used for execution, and this way we can flag an error.
  - //
  - // TODO(b/33730287) If we want an alternative version of this behavior we
  - // could add an --xla_fallback_to_host flag.
  platforms.push_back(platform);
  } else {
  LOG(INFO) << "platform " << platform->Name() << " present but no "
  