[SYCL] Host task accessor deduction guides#2055

Merged

bader merged 3 commits intointel:syclfrom

iburyl:host_task_accessor

Jul 13, 2020

Commits on Jul 6, 2020

initial deduction guides for host task get access
iburylov
committed

Commits on Jul 7, 2020

clang-format fixes
iburylov
committed
clang format fix
iburylov
committed