OpenGL interop is simplified when the cl_context is not created by SKC.

Added GEN9 HotSort kernels so the hs_cl_gen9 lib and hs_bench_cl app can be built.

Bug: skia:
Change-Id: I5b21d33499a6ec3524f39a51443981802b722c8b
Reviewed-on: https://skia-review.googlesource.com/136608
Commit-Queue: Allan MacKinnon <allanmac@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
36 files changed