Extend LinkProgramPerfTest to support compile only Add an option for "compie_only" and "compile_and_link". Bug: chromium:849576 Change-Id: Id796ebb85ad5aff1a5272173f11ce2ff42685dce Reviewed-on: https://chromium-review.googlesource.com/1186159 Commit-Queue: Jie A Chen <jie.a.chen@intel.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>