Added missing copyright message. (#1742)

* Added missing copyright message.

* addressed comments.

tools/RcclReplayer/rcclReplayer.cpp

@@ -1,3 +1,5 @@
+/* Copyright © Advanced Micro Devices, Inc., or its affiliates. */
+
 #include <cstdio>
 #include <cstring>
 #include <vector>
@@ -755,4 +757,4 @@ void PrepData_Send(TaskInfo& taskInfo, int globalRank) {
 
 void PrepData_Recv(TaskInfo& taskInfo, int globalRank) {
   FillPattern(taskInfo.expected, taskInfo.datatype, taskInfo.count, globalRank);
-}
+}