SWDEV-465220 - Validate stream on which Kernel is planned to be launched.

Change-Id: I34c679bd888c275584c11ad3e8346d4d542976f9

hipamd/src/hip_platform.cpp

@@ -606,6 +606,9 @@ hipError_t hipOccupancyMaxActiveBlocksPerMultiprocessorWithFlags(int* numBlocks,
 hipError_t ihipLaunchKernel(const void* hostFunction, dim3 gridDim, dim3 blockDim, void** args,
                             size_t sharedMemBytes, hipStream_t stream, hipEvent_t startEvent,
                             hipEvent_t stopEvent, int flags) {
+  if (!hip::isValid(stream)) {
+    return hipErrorInvalidValue;
+  }
   hipFunction_t func = nullptr;
   int deviceId = hip::Stream::DeviceId(stream);
   hipError_t hip_error = PlatformState::instance().getStatFunc(&func, hostFunction, deviceId);