queryutils: Handle AmbientAndDiffuse param count. Add AmbientAndDiffuse cases for determining light and material parameter count. Define default cases as UNREACHABLE for GetLightModelParameterCount, GetLightParameterCount and GetMaterialParameterCount. Bug: angleproject:5751 Change-Id: I58acb62e66cea71277654313800dafa57c42b17e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2871794 Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Lubosz Sarnecki <lubosz.sarnecki@collabora.com>