[foozzie] Fix sanity checks

The sanity checks never really worked since the file was missing in the
output dir. Runs bailed out with "Error loading file".
As both configurations bailed out in the same way, the correctness fuzzer
treated it as pass.

NOTRY=true

Bug: chromium:933076
Change-Id: Id3a2f7e8e3fa8c6654e3e08654d2e9e6b7010484
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1778289Reviewed-by: Tamer Tas <tmrts@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63495}

tools/clusterfuzz/BUILD.gn

@@ -13,6 +13,7 @@ if (v8_correctness_fuzzer) {
       "v8_fuzz_config.py",
       "v8_mock.js",
       "v8_mock_archs.js",
+      "v8_sanity_checks.js",
       "v8_suppressions.js",
       "v8_suppressions.py",
     ]