[SYCL][XPTI] Memory Transfer event instrumentation

Hello!

`MemCpyCommand::emitInstrumentationData()`:
https://github.com/intel/llvm/blob/134618fc1f53b5b65876fbb15c3243241c1552e6/sycl/source/detail/scheduler/commands.cpp#L1342-L1347
and
`MemCpyCommandHost::emitInstrumentationData()`:
https://github.com/intel/llvm/blob/134618fc1f53b5b65876fbb15c3243241c1552e6/sycl/source/detail/scheduler/commands.cpp#L1524-L1529
add `copy_from` and `copy_to` metadata as pointer to device.

Is it expected behaviour?

I would expect that device id or device name should be add.

This behaviour was introduced after merge this PR: https://github.com/intel/llvm/pull/4998
@alexbatashev could you take a look please?

**Environment:**
- DPC++ version: 4043dda356af59d3d88607037955a0728dc0f466

**Question**: Is there any way knowing the device ID to get its name?