If --perf-prof is specified, we commit the whole code range at once, and
never update the {total_committed_code_space_} counter (see
{WasmCodeManager::Commit} and {WasmCodeManager::Decommit}). Hence we
should also not decrement that counter when the native module dies.

R=jkummerow@chromium.org

Bug: chromium:1032753
Change-Id: I9a40f1a1322485d7142ed56f5c9365305aa0e056
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1969790Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65476}