Lazy init the httpClient

src/Agent/NewRelic/Agent/Core/Utilization/VendorHttpApiRequestor.cs

@@ -82,11 +82,12 @@ private string CallWithWebRequest(Uri uri, string method, string vendorName, IEn
  }
  }
 #else
- // create a static HttpClient for use across all the vendor API calls
- private static readonly HttpClient httpClient = new HttpClient
- {
- Timeout = TimeSpan.FromMilliseconds(WebReqeustTimeout)
- };
+ private static readonly Lazy<HttpClient> httpClient = new Lazy<HttpClient>(() =>
+ new HttpClient
+ {
+ Timeout = TimeSpan.FromMilliseconds(WebReqeustTimeout)
+ });
+
 
  private string CallWithHttpClient(Uri uri, string method, string vendorName, IEnumerable<string> headers = null)
  {
@@ -112,7 +113,7 @@ private string CallWithHttpClient(Uri uri, string method, string vendorName, IEn
  }
  }
 
- var response = httpClient.SendAsync(request).GetAwaiter().GetResult();
+ var response = httpClient.Value.SendAsync(request).GetAwaiter().GetResult();
  if (!response.IsSuccessStatusCode)
  {
  var statusCode = response.StatusCode;