[llvm] [offload] Add mechanism to return info to kernel replay tool (PR #192611)

[Joseph Huber via llvm-commits]

================
@@ -127,6 +128,20 @@ struct KernelLaunchParamsTy {
   /// Ptrs to the Data entries. Only strictly required for the host plugin.
   void **Ptrs = nullptr;
 };
+
+/// The outcome of a kernel replay.
+struct KernelReplayOutcomeTy {
----------------
jhuber6 wrote:

If this is a struct with a single member could we just alias it instead? Do we expect more to be added?

https://github.com/llvm/llvm-project/pull/192611