Merge pull request #182 from github-for-unity/fixes/user-tracker-reduce-noise

Reducing noise in UsageTracker error

Author: shana

src/GitHub.Api/Metrics/UsageTracker.cs

@@ -145,7 +145,7 @@ private async Task SendUsage()
                     }
                     catch (Exception ex)
                     {
-                        Logger.Warning(ex, "Error Sending Usage");
+                        Logger.Warning(@"Error Sending Usage Exception Type:""{0}"" Message:""{1}""", ex.GetType().ToString(), ex.Message);
                     }
                 }