[llvm] [libsycl] Add queue constructors with context. (PR #221763)

[Sergey Semenov via llvm-commits]

================
@@ -121,6 +129,16 @@ class ProgramAndKernelManager {
   std::unordered_map<BinaryStartKey, DeviceImageManagerVec>
       MDeviceImageManagers;
 
+  // Contexts that may hold programs created from the device images above. A
+  // context is the sole owner of its programs, and it must destroy them before
+  // the image they were created from is destroyed.
----------------
sergey-semenov wrote:

```suggestion
  // the images they were created from are destroyed.
```
One more minor comment I didn't catch on the first review.

https://github.com/llvm/llvm-project/pull/221763