stylecop fixes

src/csharp/Grpc.Core/Internal/AsyncCallBase.cs

@@ -226,7 +226,8 @@ namespace Grpc.Core.Internal
             Preconditions.CheckState(readCompletionDelegate == null, "Only one read can be pending at a time");
         }
 
-        protected void CheckNotCancelled() {
+        protected void CheckNotCancelled()
+        {
             if (cancelRequested)
             {
                 throw new OperationCanceledException("Remote call has been cancelled.");
@@ -301,8 +302,6 @@ namespace Grpc.Core.Internal
             });
         }
 
-
-
         /// <summary>
         /// Handles send completion.
         /// </summary>