Add Linux projects for Radiance. Bug 18621031 Change-Id: I33429da66221ccb2c4f46fda91d501d28a2e4aec Reviewed-on: https://swiftshader-review.googlesource.com/1590 Reviewed-by: Nicolas Capens <nicolascapens@google.com> Tested-by: Nicolas Capens <nicolascapens@google.com>