If feedback vector contains optimized code then we don't have to mark
the closure for optimization. The optimized code would be installed on
the next execution.

Bug: chromium:1030415
Change-Id: Ifc6bbdf6f99ac835ace828fc812e89d1100622f9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1993293Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65689}