Update specialization constant to align with the module proposal#121

Open

Naghasan wants to merge 3 commits intocodeplaysoftware:masterfrom

Naghasan:spec-constant-nttp

Commits on Feb 18, 2020

Update the spec constant interface to match the direction taken for SYCL module proposal.
Victor Lomuller
committed
Add kernel_handler proposal to support the specialization constant
Victor Lomuller
committed

Commits on Feb 20, 2020

Update the Specialization Constant proposal using the kernel handler and NTTP.
Victor Lomuller
committed