Instead of installing code dependencies during graph reduction,
install them after code generation.

Bug: v8:7902, v8:7790
Change-Id: I8a3798254abb5b9ec7c295a1592aeb6b51f24c7a
Reviewed-on: https://chromium-review.googlesource.com/1119913
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54170}