CL/VK: kernel's arg.handle update properly when setArg Fix arg.handle to be an underlying CL object type. Bug: angleproject:390488741 Change-Id: I8a9d3981a46f17e9af906f0e345c17585a332b30 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6180553 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Austin Annestrand <a.annestrand@samsung.com> Commit-Queue: Austin Annestrand <a.annestrand@samsung.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>