Previously we were only blocking verify_stub_graph and not
FLAG_turbo_verify_machine_graph. This led to failures when
FLAG_turbo_verify_machine_graph was active (e.g when it was set to
"*").

Change-Id: I27b53f0bc1b544498d1d182903301347e5669013
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1893339Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64806}