Adds --cache=full-code-cache option to the d8 shell. Also cleanup
d8.cc to not use ProduceCodeCache and ProduceFullCodeCache options
from d8.

Bug: v8:7302
Change-Id: Ie2c25d6b1d85588f70b000ba72d6d6b19ecb61b6
Reviewed-on: https://chromium-review.googlesource.com/867033Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50614}