[SYCL] Interop-part of host task

[s-kanaev]

Depends on #1471

• interop_handle patch [SYCL] Introduce interop handle for host task #1747
• interface and the test [SYCL] Add implementation of host-interop-task and test. #1748
• implementation [SYCL] Add implementation of host-task with interop_handle argument #1749

[keryell]

At some point we will need to reduce the size of all these enum,
A good opportunity to start with

enum class BlockReason : char { HostAccessor = 0, HostTask };

[s-kanaev]

All done.