Add fuzzer for xxHash.
Local testing did not turn up any crashes.
Bug: angleproject:2983
Change-Id: I5e87ed0768e5bc4454c1a896f96d09ddd92baf44
Reviewed-on: https://chromium-review.googlesource.com/c/1458656
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
