File reorganization as per the new defined standard

The header files will in /opt/rocm-xxx/include/rccl
Libraries and cmake will be in /opt/rocm-xxx/lib folder.
Added wrappers for header files using rocm-cmake functions for backward compatibility.

test/common/CollectiveArgs.hpp

@@ -7,7 +7,7 @@ b
 #pragma once
 #include "PtrUnion.hpp"
 #include "PrepDataFuncs.hpp"
-#include "rccl.h"
+#include "rccl/rccl.h"
 
 namespace RcclUnitTesting
 {

test/common/EnvVars.hpp

@@ -7,7 +7,7 @@
 #pragma once
 #include <hsa/hsa.h>
 #include <vector>
-#include "rccl.h"
+#include "rccl/rccl.h"
 
 namespace RcclUnitTesting
 {

test/common/PtrUnion.hpp

@@ -1,6 +1,6 @@
 #pragma once
 #include "ErrCode.hpp"
-#include "rccl.h"
+#include "rccl/rccl.h"
 #include "rccl_bfloat16.h"
 
 namespace RcclUnitTesting

test/common/TestBed.cpp

@@ -5,7 +5,7 @@
  ************************************************************************/
 #include <unistd.h>
 #include "TestBed.hpp"
-#include <rccl.h>
+#include <rccl/rccl.h>
 
 #define PIPE_WRITE(childId, val)                                        \
   ASSERT_EQ(write(childList[childId]->parentWriteFd, &val, sizeof(val)), sizeof(val))

test/common/TestBedChild.hpp

@@ -9,7 +9,7 @@
 #include <vector>
 #include <unistd.h>
 #include "CollectiveArgs.hpp"
-#include "rccl.h"
+#include "rccl/rccl.h"
 
 #define MAX_RANKS 32
 namespace RcclUnitTesting