[third_party] Use FuzzedDataProvider included in LLVM package.

Bug: 991200
Change-Id: Ib7ce5dce09154d5970f664a6caf28f0544a67abd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1774224
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Commit-Queue: Max Moroz <mmoroz@chromium.org>
Auto-Submit: Max Moroz <mmoroz@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#691475}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 796ed59bf9a9812b4bf59877647424d348bf772f
1 file changed