SWDEV-429053 - Add check for StreamLegacy

Signed-off-by: sdashmiz <shadi.dashmiz@amd.com>
Change-Id: I402185a3b81935aaa1c8c4963407b8de21c72d8a

hipamd/src/hip_stream.cpp

@@ -80,7 +80,7 @@ void Stream::Destroy(hip::Stream* stream) {
 // ================================================================================================
 bool isValid(hipStream_t& stream) {
   // NULL stream is always valid
-  if (stream == nullptr) {
+  if (stream == nullptr || stream == hipStreamLegacy) {
     return true;
   }