Add script to check for clusterfuzz issues.
Add script to check for clusterfuzz issues.

BUG=443153
LOG=n
NOTRY=true

Review URL: https://codereview.chromium.org/811073002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#25876}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh