- Disables FRIEND_TEST
- Removes gtest_prod.h dependency

Change-Id: I614f633749f3197989ac4a0d9d5faa6ec03ed59d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2982481Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75372}