The length of the fuzzer input can sometimes be really long (more than 1000000 bytes), and this take a very long time to execute. Typically, the fuzzer times out instead. This change limits the used length of the fuzzer to 200000 bytes. NOTRY=TRUE Bug: chromium:802149 Change-Id: Ia9d2f080602bba8ff70c5f0575bb9ecfa99c537c Reviewed-on: https://webrtc-review.googlesource.com/57581 Commit-Queue: Henrik Lundin <henrik.lundin@webrtc.org> Reviewed-by: Alex Loiko <aleloi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22183}