[llvm] [libsycl] Add constructors for context (PR #214538)

[Kseniya Tikhomirova via llvm-commits]

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@@ -86,6 +86,7 @@ class ContextImpl : public std::enable_shared_from_this<ContextImpl> {
   const async_handler MAsyncHandler;
   const std::vector<DeviceImpl *> MDevices;
   ol_context_handle_t MOffloadContext{};
+  property_list MPropList;
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KseniyaTikhomirova wrote:

remove

https://github.com/llvm/llvm-project/pull/214538