Allow hipMallocManaged capturing only in relaxed mode (#383)

Co-authored-by: Anusha GodavarthySurya <Anusha.GodavarthySurya@amd.com>

hipamd/src/hip_hmm.cpp

@@ -65,6 +65,8 @@ static_assert(static_cast<uint32_t>(hipMemRangeAttributeLastPrefetchLocation) ==
 hipError_t hipMallocManaged(void** dev_ptr, size_t size, unsigned int flags) {
   HIP_INIT_API(hipMallocManaged, dev_ptr, size, flags);
 
+  CHECK_STREAM_CAPTURE_SUPPORTED();
+
   if ((dev_ptr == nullptr) || (size == 0) ||
       ((flags != hipMemAttachGlobal) && (flags != hipMemAttachHost))) {
     HIP_RETURN(hipErrorInvalidValue);